RhymeZone: states

RhymeZone

Words and phrases whose definition contains states: (6303 results)
1 letter:
.

2 letters:
ai, al, ar, as, az, ca, co, fl, ga, gu, hi, ia, ic, il, in, ks, ky, la, mi, mo, ms, mt, nc, nd, nm, nv, oh, ok, or, po, pr, px, sd, ss, tn, tt, tx, un, us, ut, va, vi, wa, wi, wv, wy

3 letters:
acc, aec, ale, ali, ang, asl, bar, bit, cia, cid, cis, cpa, cst, cup, cwt, day, dci, ddt, dia, doc, doe, doi, doj, dol, dot, eas, ela, est, fdr, fed, frs, ftc, gal, gao, gas, gdp, get, gnp, gop, hhs, hud, iaa, icc, ike, ins, iww, jay, jfk, key, kkk, lbj, lee, lin, mdi, mst, npa, nrl, nro, nsa, oni, ono, pei, plo, poe, pst, sba, sub, ton, tsa, usa, usn, vfw, way, zep

4 letters:
9-11, 9/11, afrl, agee, aiai, arng, asch, ashe, b-52, ball, baum, bell, best, boar, bond, buck, burk, burr, bush, byrd, cage, cero, clay, coca, cody, cola, dean, debs, dime, doob, dope, drew, drms, east, exec, farc, fema, fisa, ford, funk, gill, gish, gore, gray, grey, guam, hale, hall, hart, have, hays, hero, hess, hill, home, hope, howe, hull, hunt, inge, iowa, ives, jong, jook, juke, jump, kahn, kent, kern, king, klan, know, land, lind, list, live, loeb, luce, lunt, mann, marx, mays, mcia, mdma, mead, monk, moon, most, mott, muir, mung, nasa, nash, nast, near, nigh, nrlb, ochs, ohio, okra, otis, pact, page, past, paul, peck, pint, polk, pony, post, pout, rand, reed, rice, rock, ross, roth, rous, ruth, salk, salt, scup, shaw, sloe, taft, tate, thaw, titi, unit, urey, usaf, usmc, usps, usss, utah, vaux, ward, wave, weil, weld, west, whig, whin, wise, wood, wouk, yogi

5 letters:
aaron, abele, about, adams, afisr, afspc, aiken, ailey, akron, albee, alger, allen, asean, astor, auden, barth, beats, benet, benny, berra, berry, bethe, bloch, booth, bowie, boyle, brady, braun, briar, brier, bryan, budge, burke, burns, capra, carya, chico, clark, cohan, cooke, crane, crohn, darpa, davis, deere, dewey, dixie, dolby, dr. j, dubya, dylan, eagle, eames, eight, eliot, emmer, ernst, evans, evers, evert, fermi, fifth, fifty, fiver, flory, fonda, frick, frost, fuchs, gable, gamow, garbo, gates, genet, gibbs, glenn, godel, gould, grant, grapo, green, grits, guest, gumbo, haley, handy, hanks, hardy, harpo, harte, hayes, hecht, heinz, henry, hertz, hoagy, hoffa, hogan, holly, homer, hubel, hurok, ilama, james, jenny, johns, jones, kelly, kesey, kiowa, klein, kline, kudzu, kweek, labor, laney, lange, laver, layia, leary, lendl, lewis, leyte, libby, lloyd, loewe, loewi, lorre, louis, lucas, mafia, mahan, major, makin, mamet, marsh, maxim, mayer, may 1, mckim, meade, meany, mills, minim, minsk, moody, moore, morse, moses, nixon, north, oates, ochoa, odets, owens, ozawa, paige, palau, papaw, parks, pauli, peary, pecan, percy, perry, piute, plath, porgy, pound, price, quart, quine, reich, rhine, riley, sabin, sacco, scott, segal, seles, seton, shahn, shawn, sills, simon, smith, snead, sousa, south, spock, state, stein, stern, stone, stowe, sully, sumer, swift, szell, t-man, taney, tatum, tesla, texas, tharp, thule, tobey, tobin, toyon, tracy, truth, tudor, tyler, tyson, union, vesey, vidal, wahoo, wayne, weber, wedge, welty, white, wolfe, wyeth, wyler, wylie, young, zeppo

6 letters:
accord, aclant, ahpcrc, alaska, albers, alcott, algren, almost, apache, arendt, arnold, arthur, asimov, axseed, bailey, baltic, baraka, barber, barnum, barrio, bartok, baruch, bataan, beadle, bellow, benton, berlin, bierce, bogart, bomber, bonney, brahma, brandt, breuer, brooks, browne, bunche, bunyan, burgoo, bushel, c-note, cabell, caesar, cagney, calder, callas, calvin, canada, capone, carson, carter, carver, cather, cental, cercis, change, chavez, cheese, cholla, chopin, ciardi, clocks, colony, cooper, cooter, cowage, cowpea, coyote, creole, crosby, crouse, cunner, custer, dakota, darrow, didion, disney, dollar, domino, dubyuh, dulles, duncan, dunlin, durant, ederle, edison, energy, ensign, erving, farmer, fatwah, feifer, ferber, ferret, fields, foster, franck, french, fuller, future, gallon, geisel, gesell, gibran, gibson, gilman, gilmer, girard, glaser, gorgas, gospel, goujon, gracie, graham, groves, harlow, harris, hassam, hawaii, hearst, hegari, heller, henson, herman, hoagie, holmes, hooker, hoover, hubble, hughes, hulsea, huston, inchon, inroad, irving, iskcon, jacobs, jolson, joplin, joseph, july 4, june 3, kansas, keaton, keller, keokuk, killer, kinsey, laffer, larrea, laurel, league, lemmon, lerner, linnet, liston, london, lowell, lozier, lugosi, lyonia, maffia, mailer, mallon, mantle, marine, martin, mayhaw, maypop, mcgraw, mellon, merman, merton, millay, miller, mocker, monroe, morgan, morley, morris, morton, motown, mudcat, muller, murrow, musial, nation, nearly, nevada, newman, nickel, nimitz, nolina, norman, norris, o'hara, oakley, oliver, oregon, oswald, paiute, palmer, parker, pawpaw, peirce, pierce, pincus, piston, porter, powell, pueblo, rankin, reagan, rhodes, robert, rogers, rosita, rothko, runyon, saipan, salish, salt i, sanger, schulz, seaman, seeger, senate, senega, sep 11, serkin, seward, sexton, shallu, shawny, shirer, singer, skylab, slider, sontag, sperry, stater, stella, streep, stuart, styron, sumner, symbol, tanguy, tanoan, tappan, tarawa, taylor, teller, tenner, thomas, thorpe, tilden, toklas, tollon, treaty, truman, trumbo, tubman, tucker, tucson, tunney, turner, twenty, updike, upjohn, varese, veblen, vinson, walker, waller, warhol, warner, warren, waters, watson, welles, werfel, weston, wiener, wiesel, wigner, wikiup, wilder, wilkes, wilson, wister, wright, yankee, yerkes, zanuck

7 letters:
abidjan, acheson, advisor, agassiz, alabama, all but, al gore, america, andrews, anthony, arizona, ash can, astaire, atlanta, audubon, bahaism, baldwin, bardeen, barkley, beecher, bennett, bergall, bethune, bigfoot, billion, boneset, bourbon, bracero, bradley, brahman, brahmin, bridges, brinton, bugloss, burbank, burnett, burnham, buzzard, capitol, carrere, catfish, centner, chapman, cheever, chomsky, circuit, clemens, clinton, cochise, cochran, colonel, colored, compton, connors, copland, coppola, corbett, cornell, counter, coville, cow oak, cracker, crappie, cudweed, currier, curtiss, cushing, cyrilla, c and w, decatur, demille, dempsey, detroit, de niro, dharhan, douglas, downing, dreiser, duchamp, durante, du bois, dyeweed, eastern, eastman, ebonics, ellison, emerson, encelia, english, epstein, execute, falkner, farrell, federal, feeling, feynman, fiedler, filaree, filaria, fischer, florida, fosbury, fremont, friedan, frigate, gardner, garland, gatling, georgia, gilbert, goddard, goldman, goldwyn, gompers, goodman, greeley, grinder, gromyko, gropius, groucho, guthrie, hammett, hampton, harding, hawkins, haywood, hellman, hendrix, hepburn, herbert, hershey, heyward, hoffman, hopkins, houdini, houston, howells, hubbard, indiana, jackson, jamison, jarrell, jeffers, joffrey, juniora, justice, karloff, kaufman, kellogg, kendall, kennedy, kerouac, kit fox, krasner, kroeber, kubrick, kuznets, laffite, lafitte, langley, lardner, latrobe, leonard, lincoln, lindsay, lingcod, lipmann, loosely, madison, madonna, mafioso, malamud, marcuse, masters, mathias, mauldin, mayfish, may day, medlars, medline, mencken, menotti, menuhin, midwest, mirasol, mitchum, mitford, moderne, montagu, montana, murdoch, nabokov, net ton, neumann, newcomb, niagara, niebuhr, noguchi, norfolk, nureyev, o'neill, okinawa, oldwife, olmsted, onsager, orbison, ormandy, parrish, parsons, pauling, peabody, pigweed, pinfish, pintado, pin oak, planera, poitier, pollack, pollock, potomac, present, presley, process, prussia, pynchon, quantal, quarter, quintal, receive, redfish, redford, redneck, red bay, red elm, riesman, robbins, roberts, robeson, rodgers, romberg, rosilla, russell, r and b, saclant, saguaro, sahuaro, salerno, salsify, salt ii, sandbur, sarazen, sargent, sarnoff, saroyan, satchmo, scripps, scunner, seaborg, seniora, sennett, shakers, shannon, shapley, sharpie, shepard, sherman, shittim, simpson, sinatra, skinner, staffer, stanley, stanton, steamer, steinem, stengel, stevens, stewart, striper, sunbelt, swanson, szilard, thalweg, thomson, thoreau, thurber, tiffany, tillich, timothy, torpedo, traubel, trevino, trilisa, tuchman, undergo, us army, us mint, us navy, vaughan, ventner, venturi, vieques, vietnam, villard, webster, western, wharton, whitman, whitney, wickiup, wilkins, willard, wynette, wyoming, zinsser

8 letters:
agalinis, ageratum, agueweed, allspice, american, amphiuma, anderson, arkansas, asa gray, ayn rand, bankhead, bartlett, bearwood, bear oak, beatniks, beaumont, benchley, benedict, bilberry, bluegill, bluestem, blueweed, blue ash, bob hope, bontemps, bowditch, bow wood, bradbury, bradford, browning, buchanan, buckleya, bullhead, bull bay, burnside, c-ration, caldwell, campbell, carnegie, carolina, cascades, catbrier, chandler, cinnabar, colorado, commerce, comstock, congress, connolly, coolidge, coon cat, corkwood, crawford, crockett, cummings, cy young, decumary, delaware, delbruck, de bakey, de mille, dietrich, dimaggio, din land, division, doctorow, douglass, dry pint, empathic, eniwetok, farragut, faulkner, figeater, fillmore, flotilla, fontanne, franklin, freshman, friedman, garfield, garrison, gershwin, gillette, ginsberg, goethals, goldberg, goldmark, goodyear, grainger, gray fox, grey fox, griffith, gulf war, habsburg, hamilton, hapsburg, harriman, harrison, hastings, hazardia, heinlein, hereford, hoagland, hoffmann, hog plum, hornpout, hot spot, houghton, hutchins, hydrilla, illinois, incienso, interior, iron oak, jack oak, jakobson, jalapeno, jamberry, javelina, john jay, kennelly, kentucky, kingfish, king nut, koopmans, kreisler, k ration, l'enfant, lachaise, langmuir, latanier, laughton, lavishly, lawrence, leontief, lipchitz, lippmann, lipscomb, longhorn, longroot, luminism, mackinaw, macleish, mae west, mantinea, marciano, mariposa, markweed, marquand, marshall, maryland, maul oak, maya lin, may fish, mccarthy, mcguffey, mcintosh, mckinley, mcmaster, melchior, melville, meredith, mexicano, meyerhof, michener, michigan, midgrass, millikan, missouri, mitchell, moorwort, morrison, mus rose, mutchkin, naismith, nazimova, neighbor, nevelson, new york, nicklaus, northern, northrop, o'connor, o'keeffe, o. henry, ocotillo, oklahoma, oldfield, oreortyx, owlclaws, oxtongue, paspalum, pentagon, pershing, petchary, phenicia, pickford, pitahaya, politics, poor boy, post oak, presidio, pulitzer, quantise, quantize, redberry, redmaids, red drum, rice rat, richweed, rickover, ringling, ringtail, robinson, rockwell, roebling, rosy boa, saarinen, salinger, salishan, sandburg, sandspur, santiago, scarface, schnabel, scorsese, sea bass, sea holm, selznick, sinclair, sept. 11, sessions, shamrock, sherwood, shockley, shoshone, shoshoni, sikorsky, soapweed, sondheim, southern, spillane, stanford, steffens, steichen, steinman, steinway, stilwell, stockton, stroheim, sullivan, supermex, tamarack, teasdale, thompson, tombaugh, tornillo, townsend, trilling, trillion, trumpets, tuckahoe, uss cole, us house, uvularia, vanzetti, virginia, vonnegut, weakfish, weinberg, weizmann, whistler, whittier, williams, wingstem, woodbury, woodhull, woodward, yogacara, yoko ono, zaharias, ziegfeld, zworykin

9 letters:
ageratina, ague root, air corps, air group, air medal, alfilaria, alfileria, alternate, al capone, al jolson, annapolis, applemint, area code, armstrong, army brat, arrogated, art tatum, azedarach, azederach, a billion, babe ruth, baby boom, balkanise, balkanize, barrymore, barthelme, bassarisk, bearberry, ben hecht, ben hogan, ben shahn, bernstein, bilateral, bitternut, blackfish, blackjack, blackseed, black haw, black oak, blind eel, bloomeria, blue flag, blue sage, blue star, blue stem, bob dylan, box elder, brash oak, broomweed, browntail, bruce lee, bud brush, bugleweed, bullbrier, bullfinch, burroughs, cacomixle, caley pea, candyweed, cane reed, carothers, cedar elm, chickeree, chincapin, chinkapin, chop suey, civet cat, cleveland, coachwhip, collinsia, conestoga, congo eel, conradina, coral gem, corn belt, corn mint, crotonbug, deerberry, devilwood, devil dog, de forest, de valera, dickinson, didrikson, dixieland, don budge, doolittle, dr. seuss, dry quart, dust bowl, dwarf elm, dwarf oak, education, ellington, fairbanks, five-spot, flip-flop, fox grape, frostweed, frostwort, fulbright, galbraith, gallaudet, gell-mann, gillespie, gray sage, great war, greenberg, greenweed, guano bat, hackberry, hawthorne, higginson, hitchings, hollerith, hollywood, homestead, horsebean, horsemint, horseweed, hydrastis, i. m. pei, inaugural, iowa crab, isherwood, ivorybill, jay cooke, jay gould, jefferson, jim bowie, joe louis, john cage, john drew, john ford, john muir, john reed, john rock, kay boyle, ken kesey, kettering, kissinger, korzybski, lady crab, landowska, leadbelly, leadplant, ledbetter, lespedeza, lima bean, linanthus, lindbergh, livermore, lodgepole, long moss, louisiana, macarthur, macdowell, mantineia, maravilla, max ernst, max weber, mccormick, mccullers, mcpherson, menninger, michelson, moss hart, moss pink, mummichog, mung bean, muscadine, muskogean, muybridge, new river, northeast, northwest, oldenberg, old glory, osmanthus, paloverde, partridge, phoenicia, pinckneya, pine lily, pine vole, pin grass, pond pine, president, quantized, rabbiteye, razorback, red-berry, red birch, red cedar, red cloud, red maids, rehnquist, rio bravo, robertson, rock pink, rock wren, rod laver, roosevelt, rose pink, rough pea, rush rose, sam snead, sand reed, sand sage, sasquatch, schonberg, screwbean, sea holly, secession, short ton, snakeweed, soap-weed, soap tree, sol hurok, sourdough, southeast, southwest, spicebush, spielberg, spike lee, spiritual, st. denis, steinbeck, steinberg, steinmetz, stevenson, stieglitz, stokowski, stoneroot, streisand, submarine, swamp ash, swamp bay, swamp oak, sweetleaf, sweet bay, tallchief, tangerine, tarantino, ted shawn, tennessee, thorndike, tim leary, toadshade, tomatillo, tom hanks, tom wolfe, trompillo, u.s. mint, uncle joe, uncle sam, urbanized, us senate, van allen, van buren, van doren, van vleck, vase-fine, vase vine, virtually, von braun, wanamaker, warrantee, water bug, water mat, water oak, well-nigh, whiteface, white fir, wild boar, wild plum, wild sage, wild west, will hays, wisconsin, woadwaxen, woodwaxen, woollcott, woolworth, worcester, wurlitzer, zane grey, zimbalist, zinnemann

10 letters:
aaron burr, ague grass, alex haley, alice paul, alkali bee, allen tate, amber lily, amy lowell, andre weil, apple mint, arnica bud, arrow wood, artie shaw, asaph hall, a trillion, b. b. king, balanchine, basil mint, basket oak, bay myrtle, bay willow, bear grass, beggarweed, belladonna, bible belt, bill gates, bill haley, bitterweed, blacksnake, black bass, black duck, black hand, black hawk, black moss, black pine, blitzstein, bloomfield, bluebonnet, blue devil, blue elder, bog kalmia, bog laurel, bret harte, broom-weed, bunchgrass, bush poppy, c. h. best, c. w. post, cacomistle, california, camp david, cancerweed, candelilla, canecutter, canyon oak, cape sable, carl lewis, carmichael, cary grant, chaenactis, chain pike, chinaberry, china jute, china tree, chinquapin, chuckwalla, clammyweed, coast lily, common law, coneflower, contiguous, copperhead, coralbells, cornflower, corn snake, corregidor, cross vine, croton bug, culbertson, cunningham, deep south, de kooning, diplomatic, divisional, dixiecrats, dog fennel, dog hobble, dog laurel, dos passos, dred scott, duke wayne, dwarf iris, east coast, eisenhower, elias howe, elmer rice, emily post, empathetic, epidendrum, erica jong, erik weisz, esox niger, eurodollar, experience, ezra pound, federalist, federation, ferocactus, fetterbush, fever tree, field balm, field mint, fire-wheel, fire wheel, first-year, fitzgerald, fluidounce, fouquieria, frank baum, frost-weed, gene kelly, ghost town, ghost weed, giant cane, goatsbeard, goldenseal, golden pea, gore vidal, government, grant wood, gravelweed, greenbrier, green card, green frog, green gram, guantanamo, guggenheim, half eagle, hank aaron, hans bethe, hart crane, henry clay, henry ford, henry luce, herb simon, high court, hog millet, horse balm, hot pepper, huntington, ilama tree, instrument, interstate, isaac hull, ivan lendl, ivy league, j. j. hill, jaboticaba, jack benny, james agee, james dean, james ives, james polk, jane fonda, january 19, january 20, jayshullah, jenny lind, jim henson, jim thorpe, john adams, john barth, john deere, john dewey, john glenn, john tyler, john uhler, john wayne, jonas salk, jook house, jook joint, juke house, juke joint, june grass, just about, kate smith, king devil, kit carson, korean war, kudzu vine, kurt godel, lake trout, laurel oak, lead plant, lemon mint, lieutenant, lion's-ear, longfellow, lophophora, lucy stone, lyre snake, mark clark, mark tobey, mark twain, marsh pink, mel gibson, micronesia, midwestern, mike tyson, minniebush, mistflower, mole plant, monardella, moss phlox, motherwell, motor city, muskhogean, myrtle oak, nat turner, navy cross, neil simon, nellie bly, new dealer, new jersey, new mexico, nightrider, nimblewill, ogden nash, okra plant, olive drab, otto loewi, paint leaf, palo verde, papaw tree, past tense, paul simon, pax romana, peacemaker, pearl buck, pecan tree, per capita, phenacomys, pholistoma, pine mouse, pine snake, pinto bean, pin clover, pitch pine, poison ivy, poison oak, porto rico, possumwood, possum haw, possum oak, pres young, puckerbush, quail bush, quercitron, rabbitweed, rabbitwood, racerunner, ram's horn, republican, reversible, rhus ovata, richardson, rio grande, rosa parks, rubinstein, sand phlox, sand sedge, schoenberg, schumpeter, screw bean, scrub pine, sheepshead, shore pine, shoshonean, shoshonian, sidewinder, sid caesar, sieva bean, silverside, silverweed, sium suave, small cane, smoke tree, smut grass, soft money, sophomorea, spice bush, star-glory, starflower, star grass, state line, stone-root, stone crab, stone root, stravinsky, strickland, sugar-bush, sugarberry, summer haw, sus scrofa, swamp hare, switch-ivy, tanglebush, texas toad, the street, third-year, tiger lily, treasuries, tree poppy, tuber root, tumbleweed, turk's-cap, turkey oak, tyrannidae, u.s. house, u. s. army, u. s. code, uma notata, untermeyer, us cabinet, vanderbilt, velvetleaf, velvetweed, washington, west coast, west point, whig party, white sage, white titi, wild basil, wild clary, wild thyme, wiley post, willow oak, wood poppy, worm snake, yellow oak, yellow pea, yogi berra

11 letters:
17 november, alan seeger, alfred lunt, aloha state, alpine gold, alvin ailey, americanism, amphictyony, andy warhol, anne sexton, arab league, arizona ash, arthur ashe, arthur marx, asa yoelson, auchincloss, bahia grass, ball nettle, baryshnikov, bean beetle, bela bartok, bela lugosi, bengal bean, bette davis, bing crosby, bird parker, bitter-bark, black birch, black larch, black racer, black whale, bobby jones, bob mathias, bohr theory, bos indicus, brittlebush, bronze star, broom sedge, buddy holly, buena vista, buffalo nut, bull nettle, bunch grass, bushy aster, bush clover, butter bean, cactus wren, calabazilla, calico crab, camphorweed, canada lily, cancer weed, canoe cedar, captain bob, carl rogers, casey jones, castanopsis, castoroides, cave myotis, channel cat, chinese elm, chinese yam, chittamwood, chittimwood, chris evert, chuck berry, clark gable, coffeeberry, cole porter, collinsonia, confederacy, confederate, congo snake, congressman, connecticut, continental, cosa nostra, cottonmouth, cotton rose, coyote bush, crown vetch, curly-heads, dallisgrass, dangleberry, david hubel, david mamet, david smith, dead nettle, dean martin, devil grass, diamond jim, dismantling, dorothy dix, dwarf phlox, e. b. white, eared grebe, earl warren, edgar guest, edna ferber, edna millay, ed sullivan, eisenstaedt, elie wiesel, eli whitney, enceliopsis, engelmannia, eriodictyon, erythronium, farkleberry, fats domino, fats waller, felt fungus, fetter bush, flameflower, flickertail, fluid ounce, fourth-year, frank capra, franz kline, fringe bush, gary cooper, gene tunney, genus carya, genus galax, genus layia, george bush, gerald ford, golden club, golden gram, golden seal, goose-tansy, goose grass, grace kelly, green beret, greta garbo, gulf states, gymnocladus, half dollar, hammerstein, harold urey, hazel alder, hediondilla, helen wills, hemp nettle, henry fonda, henry james, herman wouk, high mallow, horace mann, horned pout, horse-brier, horse brier, horse opera, house finch, huckleberry, i. f. stone, indian pink, indivisible, isaac stern, italian rye, j. b. rhine, jackass bat, jack lemmon, jack london, james bowie, james tobin, jane jacobs, jean harlow, jerome kern, jersey pine, jesse james, jesse owens, jimmy hoffa, jim corbett, joan didion, john ciardi, john huston, john irving, john mcgraw, john updike, joshua tree, julian bond, julius marx, kate chopin, kidney wort, king oliver, klaus fuchs, klinefelter, kosteletzya, landsteiner, laurel-tree, least shrew, leatherneck, leatherwood, lee krasner, lee trevino, leo szilard, leroi jones, lined snake, lion's foot, living rock, lorado taft, lorenz hart, los angeles, lucius clay, lucky lindy, malus fusca, maquiladora, mark rothko, mary mallon, mary martin, meadow lily, meadow vole, means grass, metasequoia, mexican war, middle west, miles davis, miner's cat, minnie bush, mississippi, mist-flower, mockingbird, mock orange, moss locust, mule's ears, musk mallow, narco-state, navratilova, nellie ross, new england, night rider, night snake, nimble will, november 11, old bullion, oppenheimer, originalism, oscillation, oval office, overcup oak, owen wister, parsley haw, paul bunyan, paul newman, peace corps, peach state, pepper bush, peter lorre, pete seeger, peyton rous, philippines, philip roth, pilot whale, pine lizard, pinus taeda, polling day, post office, prohibition, psychedelic, puerto rico, pumpkin ash, purple loco, pyrrhuloxia, quail brush, quartervine, rabbit-weed, raccoon fox, race runner, reallotment, recognition, red buckeye, right smart, rittenhouse, river birch, robber frog, rockefeller, roger taney, rose acacia, rose mallow, roy orbison, roy wilkins, ruth fulton, sage willow, saint denis, sam goldwyn, sam houston, sam shepard, sand lizard, saul bellow, scarlet haw, scarlet oak, schlesinger, schoolcraft, scissortail, scuppernong, second-year, seiji ozawa, seth thomas, shalom asch, shingle oak, shittimwood, sholem asch, sholom asch, showy daisy, shumard oak, sierra plum, silversides, silverstein, silver sage, silver star, single-leaf, slave state, sleepy dick, snow orchid, southernism, spanish war, spotted bat, spring frog, spruce pine, staggerbush, stan laurel, stan musial, steve reich, stiff aster, strawflower, sugar sumac, susquehanna, swamp birch, sweet bells, sweet birch, sweet shrub, sweet vetch, switch cane, t. h. white, t. s. eliot, tall mallow, teapot dome, tepary bean, tetraneuris, thomas nast, tom bradley, tree cotton, tree lizard, tree lupine, tree mallow, twyla tharp, u.s. waters, un-american, us congress, velvet-leaf, velvet bean, victor hess, vietnam war, vinegarroon, vinegarweed, vine cactus, von neumann, w. c. handy, w. h. auden, w. v. quine, wall street, walter reed, walt disney, war of 1812, water birch, west berlin, white alder, white aspen, white cedar, white house, white perch, wild orange, wild potato, wild spurge, wild teasel, willie mays, will durant, will rogers, winterberry, woody allen, wood violet, world war 1, world war 2, world war i, yastrzemski, yellow flag, yellow iris, yellow root, yerba buena, yerba mansa, yerba santa, yucca elata, yves tanguy

12 letters:
acer negundo, admiral byrd, air division, albert sabin, aleppa grass, alice walker, alnus rugosa, ancient pine, andrew wyeth, annie oakley, antagonistic, antony tudor, appalachians, aralia elata, army cutworm, artemus ward, arthur tatum, aspen poplar, autoinjector, badger state, bahama grass, bald cypress, banded gecko, barking frog, beaver state, benghal bean, bessie smith, betula lenta, betula nigra, big shagbark, billy graham, billy wilder, bill clinton, bill mauldin, bill russell, bitter floom, bitter pecan, black locust, blazing star, bluejack oak, blue jasmine, blue thistle, boar thistle, bog rosemary, brittle bush, brown thrush, buffalo bill, bull thistle, butter-print, butter daisy, c. d. gibson, cabbage palm, cactus mouse, calvert vaux, calvin klein, campaign hat, carpet grass, carry nation, casimir funk, cassius clay, cass gilbert, cecil rhodes, central time, cesar chavez, channel bass, cheeseflower, chen n. yang, cherry birch, chief joseph, clarence day, colin powell, colorado fir, commonwealth, conrad aiken, constitution, conterminous, cordell hull, cotton mouse, cowpea plant, cowpen daisy, coyote brush, coyote state, crape myrtle, crepe flower, crepe myrtle, cynthia moth, cypress vine, dallis grass, damon runyon, dangle-berry, dawn redwood, dean acheson, deems taylor, desert holly, desert olive, desert plume, devil's claw, devil's milk, dick fosbury, double eagle, dutch clover, dwarf spurge, dwight davis, dyer's-broom, e. o. wilson, e. w. morley, east-central, eastern time, easter daisy, echinocactus, echinocereus, edward albee, edwin hubble, election day, ellis island, emma goldman, emmett kelly, enrico fermi, eosinophilia, ernest bloch, ethel merman, ethel waters, eudora welty, ezra cornell, false indigo, false lupine, family court, fanny wright, fence lizard, field ration, first of may, flame-flower, flame flower, florida bean, flo ziegfeld, fox squirrel, frank cooper, frank norris, frank stella, franz werfel, fred astaire, fred skinner, future tense, garland crab, gene sarazen, genus cercis, genus hulsea, genus larrea, genus lyonia, genus nolina, george burns, george dewey, george gamow, george lucas, george meany, george segal, george szell, georgia bark, georgia pine, geostrategic, giant hornet, gila monster, glade mallow, gladys smith, glenn miller, glossy snake, golden aster, golden state, gracie allen, great divide, great plains, gustav hertz, hans zinsser, hare krishna, harold lloyd, harry truman, helen keller, henry miller, herbert marx, herd's grass, hickory pine, home reserve, hominy grits, hooded skunk, horse nettle, ilex decidua, imogene coca, indian salad, ira gershwin, isaac asimov, j. p. morgan, jack dempsey, jack kennedy, jack kerouac, jacques loeb, james cagney, james franck, james monroe, james watson, janis joplin, japanese yew, japan clover, jasper johns, jean laffite, jean lafitte, jimi hendrix, jimmy cagney, jimmy carter, jimmy conors, jim morrison, joe dimaggio, john bardeen, john chapman, john cheever, josef albers, joseph henry, judy garland, jules feifer, koussevitzky, ku klux klan, lars onsager, lee yuen kam, leonard marx, leopard lily, leyte island, le gallienne, lichtenstein, lillian gish, lucille ball, mack sennett, mademoiselle, mail service, manila grass, maria callas, marine corps, mark hopkins, marsh mallow, max delbruck, meadow mouse, medgar evers, melvil dewey, memorial day, mergenthaler, meryl streep, mid-atlantic, monica seles, mormon state, mother jones, mother seton, mrs. simpson, muhammad ali, mustard tree, mya arenaria, natalie wood, next-to-last, nicola sacco, nikola tesla, noah webster, noam chomsky, northeastern, northwestern, north dakota, oconee bells, ohio buckeye, old dominion, oliver hardy, oliver stone, omar bradley, oral roberts, orson welles, osage orange, ostrea gigas, otis skinner, oyster plant, p. t. barnum, pacific plum, pacific time, painted leaf, panama canal, pansy violet, panther lily, paul robeson, paul tillich, pearl bailey, pearl harbor, pearl millet, pennsylvania, peter cooper, peter seeger, petty spurge, phlox bifida, phoenix tree, pinus edulis, pinus glabra, pinus rigida, pleasantness, populus alba, prairie crab, prairie dock, prairie sage, prairie star, prairie vole, prickly pine, pro-american, purple anise, purple heart, pyxidanthera, quarter-vine, quercus alba, ralph bunche, ray bradbury, ray m. dolby, ray robinson, reallocation, red squirrel, red trillium, relationship, rhodes grass, rhode island, rickenbacker, riley b king, ring lardner, river cooter, robert frost, robert mills, robert peary, salmon trout, samuel morse, sand cricket, sanwa millet, savings bank, saw palmetto, scott joplin, scutch grass, sea eryngium, september 11, september 17, sericocarpus, severo ochoa, shiny lyonia, siberian elm, sida spinosa, silver perch, silver state, sitka spruce, sitting bull, slave market, smooth alder, sonny liston, sooner state, southeastern, southernmost, southwestern, south dakota, spanish moss, sparkleberry, spider plant, spread eagle, squirrelfish, staff member, stagger bush, stan the man, starch wheat, star ipomoea, steamer clam, steve martin, striped bass, stuart davis, summer sweet, susan sontag, swamp azalea, swamp laurel, swamp locust, swamp mallow, swamp rabbit, sweet potato, sylvia plath, tarawa-makin, ted williams, thanksgiving, thomas sully, thomas wolfe, thoroughwort, tree tobacco, typhoid mary, ulmus pumila, us air force, velvet grass, vervain sage, vespa crabro, viola pedata, w. c. fields, walker percy, walker smith, walt whitman, water carpet, water clover, water locust, water orchid, weary willie, west-central, westinghouse, white clover, white mallow, white poplar, white zinnia, wild pumpkin, wild quinine, wild vanilla, willa cather, william inge, willy brandt, woody herman, world war ii, yellow bells, yucca glauca

13 letters:
1000000000000, aaron copland, abies lowiana, acris gryllus, admiral dewey, admission day, air force isr, ajuga reptans, alben barkley, aletris aurea, alla nazimova, alpine hulsea, althea gibson, american flag, anas rubripes, andrew mellon, anne sullivan, anti-american, armistice day, arnold gesell, arnold palmer, arroyo willow, arthur laffer, arthur miller, arthur tappan, ashcan school, aster dumosus, aster shortii, b. f. skinner, babe zaharias, barrel cactus, basket flower, beehive state, benjamin bush, benny goodman, bermuda grass, betty friedan, beverly sills, big-tree plum, big shellbark, bitter pignut, blackjack oak, black english, black hemlock, bobby fischer, boris karloff, box white oak, brigham young, buckeye state, bud sagebrush, buffalo gourd, buffalo grass, bullace grape, buster keaton, butterfly pea, caesium clock, calamity jane, camphor daisy, canada ginger, carl anderson, carl sandburg, carolina wren, cascades frog, cascade range, casey stengel, census bureau, charles eames, cherry laurel, chiggerflower, childe hassam, chinkapin oak, cinnabar moth, cinnamon vine, citizen genet, clammy locust, cliff dweller, clinical test, coast redwood, common mallow, concord grape, congresswoman, corkwood tree, country music, covered wagon, craig ventner, creeping fern, creosote bush, dalea spinosa, dale carnegie, dalton trumbo, darryl zanuck, david riesman, david sarnoff, davy crockett, denmark vesey, desert iguana, detroit river, domestic carp, donald glaser, douglas moore, dryland berry, dutch leonard, dwarf buckeye, eastern samoa, edgard varese, edith wharton, edmund wilson, edward morley, edward teller, edward weston, eero saarinen, elephant-tusk, elephant tree, elihu thomson, elvis presley, erolia alpina, esther morris, eugene wigner, false bugbane, federal party, field sandbur, floating fern, flowering ash, floyd bennett, foxtail grass, franchise tax, frank sinatra, gentleman jim, genus encelia, genus planera, genus trilisa, genus wyethia, george beadle, giant foxtail, ginger rogers, glenn curtiss, grandma moses, gray kingbird, green gentian, h. l. mencken, hank williams, hannah arendt, harry bridges, harry houdini, hartford fern, hawkeye state, helen traubel, henry russell, henry villard, hercules-club, hero sandwich, heterogeneous, hoosier state, horatio alger, horse thistle, howard hughes, hulsea algida, hundredweight, hyla crucifer, ieoh ming pei, igor sikorsky, indian cherry, indian mallow, indian potato, iris cristata, irving berlin, isamu noguchi, islamic unity, israel baline, jack nicklaus, jacob's staff, jacob epstein, james baldwin, james k. polk, james madison, james thurber, jesse jackson, jessye norman, jimmy durante, jimmy stewart, joan crawford, johns hopkins, john bartlett, john l. lewis, john marquand, john marshall, john mitchell, john roebling, joseph heller, joseph hooker, joseph oliver, josh billings, julius erving, julius ullman, kahlil gibran, kenneth clark, kentucky blue, knobcone pine, kurt vonnegut, lady's-finger, lake michigan, latanier palm, latin america, laurel cherry, laurel willow, lee de forest, liberty party, lieutenant jg, light colonel, linus pauling, little barley, loblolly pine, longleaf pine, loretta young, louis agassiz, lynn fontanne, lyonia lucida, malus ioensis, margaret mead, mariposa lily, marshall plan, martha graham, marx brothers, mary mccarthy, mary pickford, massachusetts, melanie klein, melvin calvin, mexican poppy, mikir-meithei, mission bells, mosquito fern, mountain time, mourning dove, napaea dioica, nelson algren, new hampshire, new york city, niagara falls, norman mailer, norman thomas, north-central, no man's land, nullification, old ironsides, oswald veblen, otto meyerhof, packera aurea, parus bicolor, pelican state, persian lilac, phil anderson, pigmy talinum, pilot project, pinus pungens, piranga rubra, pleurisy root, poa pratensis, poke milkweed, polygala alba, post exchange, potomac river, prairie aster, prairie berry, prairie gourd, prairie state, prairie wagon, present tense, public school, quercus nigra, rachel carson, ragged orchid, ragged orchis, ralph ellison, rana cascadae, razorback hog, red goosefoot, red rat snake, rhus radicans, richard nixon, robert lowell, robert merton, rockwell kent, rock squirrel, roger sherman, ronald reagan, rube goldberg, rudolf serkin, ruffed grouse, russel crouse, ruth benedict, salix tristis, salvia azurea, salvia lyrata, samia cynthia, samia walkeri, samuel barber, samuel wilder, sandbar shark, sarah vaughan, sara teasdale, satchel paige, sciurus niger, seaside alder, september elm, shawnee salad, shock therapy, short's aster, show me state, sidney caesar, simon kuznets, simon newcomb, snow trillium, solomon hurok, sophie tucker, south-central, south america, spearnose bat, spear thistle, spencer tracy, spider flower, spiny talinum, spotted skunk, spring peeper, st. augustine, star magnolia, stephen crane, stokes' aster, styrax texana, summer cohosh, supreme court, susan anthony, swamp cypress, swamp hickory, sweet buckeye, szent-gyorgyi, tabasco plant, tammy wynette, thomas edison, thomas merton, thuja plicata, thunder snake, timothy leary, toni morrison, transmigrante, trust busting, tsung dao lee, turmeric root, twilight zone, u.s. congress, ulysses grant, united states, upland cotton, us government, vannevar bush, van de graaff, veterans' day, vigna radiata, virginia pine, von sternberg, w. k. kellogg, walter piston, washingtonian, water hickory, water parsnip, western birch, west virginia, white cypress, white heather, white thistle, whitney young, wilbur wright, wilhelm reich, william clark, william green, william james, william wyler, winslow homer, woody guthrie, yellow locust, yorkshire fog, yucca baccata

14 letters:
a. e. burnside, a. e. kennelly, abies concolor, admiral nimitz, age of consent, agnes de mille, alexander bell, alfred kroeber, alice hamilton, alistair cooke, alleghany plum, allegheny plum, allen ginsberg, alnus maritima, ambrose bierce, ameiurus melas, american larch, american olive, american party, american samoa, american state, andrei gromyko, ansar al-islam, ansar al islam, antoine domino, aralia spinosa, artemisia cana, arthur compton, arthur fiedler, artur schnabel, ashley montagu, atlantic manta, avalanche lily, babe didrikson, bastard indigo, battle of wake, benjamin shahn, benjamin spock, bernard baruch, bidens connata, billie the kid, billy mitchell, bill of rights, bitter hickory, black-eyed pea, black sea bass, blanket flower, blue-eyed mary, blue jessamine, bristly locust, brown bullhead, brown thrasher, buckwheat tree, buffalo clover, bufo speciosus, bulrush millet, butterfly weed, calycanthaceae, camellia state, canada thistle, carex arenaria, carl van doren, carya aquatica, cathartes aura, cattail millet, chaim weizmann, chain pickerel, charles liston, charles peirce, charles schulz, charles wilkes, charlie parker, chester nimitz, chigger flower, chinquapin oak, chloris gayana, chrissie evert, christmasberry, claude shannon, cleome pinnata, clifford odets, cliff dwelling, clinical trial, cockspur thorn, colorado river, colored person, common opossum, creeping bugle, creeping thyme, crimson clover, crotalus atrox, cuban sandwich, curly clematis, cypress spurge, d. w. griffith, daniel webster, david crockett, decoration day, dewitt clinton, dipodomys ordi, dorothea lange, dorothy parker, dubois heyward, duke ellington, dustin hoffman, dwarf chestnut, e. e. cummings, e. g. marshall, e. h. harriman, e. l. doctorow, e. o. lawrence, earless lizard, echium vulgare, edward kendall, eileen farrell, elaphe guttata, eliel saarinen, eliezer wiesel, elmore leonard, ely culbertson, eminent domain, equality state, eugene o'neill, eugene ormandy, eugene v. debs, fall dandelion, federal office, fenusa pusilla, field scabious, flowering crab, fouquieriaceae, fourth of july, foxtail millet, frances wright, frank stockton, fred zinnemann, french spinach, fritz kreisler, general custer, genus agalinis, genus brodiaea, genus hazardia, genus oreortyx, genus uvularia, george eastman, george stevens, george w. bush, gerald r. ford, gertrude stein, gilbert stuart, gilded flicker, gloria steinem, gloria swanson, golden ragwort, gospel singing, gray goldenrod, greek valerian, gregory pincus, gulf of mexico, harlow shapley, harriet tubman, harriet wilson, harry s truman, harvey cushing, heart of dixie, henry steinway, herbert blythe, herbert hoover, hercules'-club, hideyo noguchi, hiram williams, holcus lanatus, homer thompson, honey mesquite, horace greeley, howard lindsay, hyman rickover, indian blanket, iris virginica, isadora duncan, italian clover, italian millet, j. d. salinger, james buchanan, james garfield, james meredith, james michener, james naismith, jerome robbins, john's cabbage, johnny-jump-up, john barrymore, john galbraith, john mccormick, john steinbeck, john van vleck, john wanamaker, judith jamison, karl menninger, knight templar, krigia bulbosa, l. ron hubbard, larix laricina, leather flower, lee's birthday, legal document, leontyne price, leopard lizard, leyte invasion, lionel hampton, little bighorn, lodgepole pine, long-neck clam, lonicera flava, louis b. mayer, louis sullivan, luther burbank, lyonia mariana, magnolia state, malva moschata, malva neglecta, marcel duchamp, marcus whitman, marianne moore, maria mitchell, marilyn monroe, mariposa tulip, markov process, marsh clematis, meadow salsify, midway islands, missouri gourd, missouri river, mormon cricket, mountain alder, mountain birch, mountain heath, mountain phlox, mountain skink, mountain state, mournful widow, mugil cephalus, mustela rixosa, myotis velifer, national guard, natrix sipedon, neil armstrong, norbert wiener, north carolina, nutmeg hickory, opuntia cholla, orville wright, ozark sundrops, painted turtle, people's party, percy grainger, peter goldmark, phantom orchid, philippine sea, phlox subulata, pineapple weed, pinus aristata, pinus contorta, pinus echinata, pinus longaeva, pinus serotina, poison mercury, polygala lutea, populist party, poste restante, prairie mallow, prairie orchid, president bush, president ford, president polk, president taft, pride-of-india, prince's-plume, prunus besseyi, prunus demissa, purple grackle, purple heather, purple sanicle, quercitron oak, quercus incana, quercus laevis, quercus lyrata, quercus prinus, rainbow cactus, rana clamitans, reconstruction, reginald marsh, representative, richard upjohn, richard wright, roald hoffmann, robert de niro, robert joffrey, robert mitchum, robert redford, robert venturi, rocco marciano, rocky marciano, rock harlequin, roger sessions, roman jakobson, roman wormwood, rudolf nureyev, rupert murdoch, russian cactus, ruth st. denis, ryukyu islands, s. s. van dine, sabal palmetto, samuel goldwyn, samuel gompers, samuel houston, san jose scale, saul steinberg, schumann-heink, scrub palmetto, secret service, senecio aureus, serenoa repens, seward's folly, sexual assault, shortleaf pine, sidney poitier, silver whiting, sinclair lewis, singletary pea, smitty stevens, snow-in-summer, south carolina, spanish dagger, special forces, speckled alder, stanford white, stars and bars, states' rights, state boundary, stemless daisy, stephen foster, stephen girard, striped mullet, sultan of swat, summer redbird, summer tanager, sunshine state, sun myung moon, swamp milkweed, sweet scabious, sydney pollack, tabasco pepper, take the fifth, tall sunflower, tar heel state, tayassu tajacu, topic sentence, texas longhorn, texas snowbell, the march king, thomas bradley, thomas pynchon, tramp's spurge, transportation, treasure state, tree of heaven, trumpet flower, turkey buzzard, turkey vulture, ulmus serotina, united nations, unpleasantness, upton sinclair, us post office, vachel lindsay, victor herbert, vigna sinensis, virgil thomson, virginia beach, virgin islands, vitis labrusca, walter gropius, warren harding, war department, war to end war, water hyacinth, water moccasin, western redbud, white milkweed, wild buckwheat, wild hydrangea, wild west show, wild winterpea, william hoover, william styron, winfield scott, wolfgang pauli, woodrow wilson, xenopus laevis, yang chen ning, yehudi menuhin, yellow jasmine, yellow salsify, yellow trumpet, yucca gloriosa, yucca whipplei, zachary taylor, zinnia acerosa

15 letters:
a. a. michelson, a. noam chomsky, abraham lincoln, abronia villosa, acris crepitans, adlai stevenson, adverse opinion, agency security, alan jay lerner, alice b. toklas, alien absconder, alnus serrulata, alphonse capone, american legion, anabrus simplex, andrew carnegie, andrew d. white, arizona elegans, arthur mitchell, asimina triloba, ball nightshade, baptisia lactea, barbara tuchman, barney oldfield, barred pickerel, beaked hazelnut, beat generation, benedict arnold, benjamin peirce, bernard malamud, big bill tilden, black snakeroot, bluegrass state, blue elderberry, bonasa umbellus, box huckleberry, broom snakeroot, broom snakeweed, brown-tail moth, calvin coolidge, canyon live oak, canyon treefrog, carolina lupine, carya laciniosa, castanea pumila, cecil j. rhodes, celandine poppy, channel catfish, chaparral broom, chickweed phlox, chief executive, chinaberry tree, chinese parasol, christmas berry, chrysemys picta, cirsium arvense, cirsium vulgare, citizenship day, claes oldenberg, clarence darrow, clematis crispa, clematis viorna, coachwhip snake, coleman hawkins, collared lizard, collinsia verna, commodore perry, common barberry, complementarity, conestoga wagon, coronilla varia, corylus cornuta, creeping zinnia, cryptotis parva, curled pondweed, cyprinus carpio, cyrus mccormick, davis' birthday, desert tortoise, dizzy gillespie, double jeopardy, dwarf dandelion, eamon de valera, eastern hemlock, eastern woodrat, edgar allen poe, efrem zimbalist, elizabeth seton, ella fitzgerald, elymus hispidus, emily dickinson, erodium texanum, esox americanus, ethel barrymore, everglade state, evergreen state, f. d. roosevelt, false buckthorn, federal reserve, fifth amendment, first amendment, first world war, foreign service, founding father, franklin pierce, frederick loewe, free soil party, freshwater clam, fuller's teasel, g. stanley hall, gaston lachaise, genus ageratina, genus bloomeria, genus casuarina, genus collinsia, genus conradina, genus hydrastis, genus lespedeza, genus linanthus, genus osmanthus, genus pinckneya, george c. scott, george gershwin, george m. cohan, george marshall, georgia okeeffe, gertrude ederle, giant sunflower, golden ironweed, golfo de mexico, government bond, greenback party, haverhill fever, henry kissinger, henry m. robert, hepatic tanager, herbert marcuse, hercules'-clubs, herman melville, hillbilly music, holistic theory, huckleberry oak, hudson hoagland, humphrey bogart, hungarian grass, huntsman's horn, hyla arenicolor, igor stravinsky, iowa crab apple, iris versicolor, irving langmuir, isaac m. singer, j. edgar hoover, jaboticaba tree, jackie robinson, jackson pollock, jalapeno pepper, james knox polk, japanese clover, japanese millet, japanese oyster, jefferson davis, jerry lee lewis, jerusalem thorn, jessica mitford, jimmy doolittle, john c. fremont, john dos passos, joseph campbell, joseph mccarthy, joseph pulitzer, judicial branch, julia ward howe, kenneth roberts, ken elton kesey, land of lincoln, langston hughes, large crabgrass, law of the land, leland stanford, lepus townsendi, lesser calamint, lilium superbum, lillian hellman, lillian russell, lindera benzoin, lionel trilling, loddon pondweed, lone-star state, louise nevelson, louis armstrong, mahalia jackson, malus coronaria, malvina hoffman, manta birostris, marc blitzstein, margaret sanger, marian anderson, maria tallchief, markoff process, martin scorsese, mascarene grass, mathew b. brady, melia azedarach, melia azederach, mentha arvensis, michael jackson, middle atlantic, milton friedman, mole salamander, montgomery ward, mucuna aterrima, myrica cerifera, nathan birnbaum, navy department, necklace poplar, nerodia sipedon, nomia melanderi, norman rockwell, old man's beard, old north state, orange milkweed, orange milkwort, oriental beetle, oscar robertson, ozark chinkapin, paul john flory, percival lowell, persea borbonia, philip anderson, phleum pratense, phlox stellaria, pinus attenuata, pinus palustris, pitahaya cactus, poison milkweed, president adams, president grant, president hayes, president nixon, president tyler, prickly lettuce, prohibition era, prunus mexicana, pueraria lobata, purple locoweed, quercus bicolor, quercus montana, quercus phellos, randall jarrell, razorbacked hog, reapportionment, redfin pickerel, religious right, revenue sharing, rhamnus croceus, richard e. byrd, richard feynman, richard rodgers, ring-tailed cat, robert bartlett, robert benchley, robert e. peary, robinia hispida, robinia viscosa, rose of jericho, rudbeckia hirta, russian thistle, sagebrush state, sailor's-choice, saint augustine, salix pentandra, sand blackberry, satureja nepeta, sciurus griseus, setaria italica, shock treatment, short-leaf pine, showy sunflower, shumard red oak, sigmund romberg, slip-skin grape, smooth lip fern, socialist party, soft-shell clam, sojourner truth, solanum jamesii, spanish bayonet, spanish needles, spiny softshell, spruce squirrel, stanley kubrick, state of matter, stephen decatur, steven weinberg, stokesia laevis, strawberry bush, sunflower state, surgeon general, swamp white oak, talcott parsons, tanoan language, taxus cuspidata, ten dollar bill, texas snowbells, thelonious monk, the say hey kid, thomas crawford, thomas hastings, thomas j. hanks, thomomys bottae, thornton wilder, townsend harris, tufted titmouse, turk's cap-lily, turpentine weed, two-grain spelt, two dollar bill, u.s. government, u. s. air force, us marine corps, vaccinium ashei, van wyck brooks, viper's bugloss, virginia mallow, virginia mcmath, volunteer state, vulpes macrotis, wallace stevens, walter lippmann, wanda landowska, water bitternut, water horehound, western mugwort, western ragweed, wild china tree, william f. cody, william falkner, william saroyan, wolverine state, worm salamander, yardbird parker, yellow hawkweed, yellow ironweed, yellow milkwort, yucca aloifolia, yucca smalliana, zapus hudsonius, zoysia japonica, zoysia matrella

16 letters:
aedes albopictus, alabama lip fern, albert michelson, aletris farinosa, alexander calder, alexander wilson, alfred korzybski, alfred stieglitz, allegheny spurge, alpine sunflower, amaranthus albus, american bugbane, american capital, american english, anabolic steroid, andrew w. mellon, anna howard shaw, anthony comstock, arnold schonberg, artur rubinstein, asarum canadense, ash-leaved maple, atlantic halibut, attorney general, australian state, averell harriman, barbra streisand, bastard feverfew, beach strawberry, beefsteak fungus, bidens bipinnata, big bill haywood, billie jean king, birch leaf miner, black-eyed susan, black fritillary, bristlecone pine, bristly oxtongue, broomcorn millet, building society, bull moose party, bush honeysuckle, button snakeroot, c. vann woodward, cabbage palmetto, canadian hemlock, capitol building, carl yastrzemski, carolina hemlock, carolina jasmine, carson mccullers, catalpa speciosa, cecil b. demille, celtis laevigata, centennial state, charles goodyear, charles l'enfant, charles laughton, charles ringling, clare booth luce, clitoria mariana, collared peccary, colorado springs, common amsinckia, common blackfish, common kingsnake, common sunflower, confederate flag, confederate rose, conradina glabra, cornflower aster, cotinus obovatus, creeping juniper, creeping thistle, crotalus lepidus, cushion calamint, cynodon dactylon, dashiell hammett, democratic party, dioscorea batata, dipsacus sativus, donald barthelme, douglas squirrel, dyer's greenweed, early wake-robin, edward macdowell, edward r. murrow, elizabeth seaman, elizabeth taylor, emily price post, emotional person, encelia farinosa, english language, episcopal church, erskine caldwell, euderma maculata, euphorbia exigua, euphorbia peplus, eva le gallienne, evergreen millet, executive branch, federalist party, federal tax lien, fifty-cent piece, firmiana simplex, five dollar bill, flathead catfish, florenz ziegfeld, flowering spurge, frasera speciosa, fundulus majalis, genus chaenactis, genus epidendrum, genus ferocactus, genus fouquieria, genus lophophora, genus monardella, genus pholistoma, george h.w. bush, german cockroach, glaucomys volans, glenn t. seaborg, golden groundsel, granny's bonnets, greater new york, green arrow arum, grover cleveland, guaiacum sanctum, habenaria lacera, henry clay frick, henry john heinz, herbert a. simon, herman hollerith, hoagy carmichael, hordeum pusillum, hottonia inflata, huntsman's horns, inauguration day, independence day, ipomoea coccinea, iris pseudacorus, isaac mayer wise, italian ryegrass, italian sandwich, ixodes pacificus, j. craig ventner, jacques lipchitz, james byron dean, jeannette rankin, johnny appleseed, john jacob astor, john m. browning, john von neumann, joseph greenberg, kalmia polifolia, karl landsteiner, king nut hickory, krigia dandelion, labor department, lactuca scariola, lactuca serriola, laszlo lowestein, laurel and hardy, lauritz melchior, lavatera arborea, lee buck trevino, legal instrument, liatris punctata, lilium canadense, lilium catesbaei, lilium maritinum, lincoln steffens, lionel barrymore, lobed spleenwort, louis burt mayer, louis untermeyer, lucy craft laney, lupinus arboreus, lupinus texensis, mackinaw blanket, maclura pomifera, malva sylvestris, man-of-the-earth, mark wayne clark, marlene dietrich, marshall islands, martha jane burk, martin van buren, maxfield parrish, maxwell anderson, menziesia pilosa, merce cunningham, meriwether lewis, mexican-american, meyer guggenheim, micrurus fulvius, millard fillmore, monarda punctata, morone americana, mountain hemlock, murray gell-mann, mustela nigripes, neoexpressionism, nicotiana glauca, norma jean baker, northern whiting, oak leaf cluster, okinawa campaign, ord kangaroo rat, ozark chinquapin, painted terrapin, painted tortoise, paspalum notatum, peachleaf willow, pearl mae bailey, persian gulf war, phaseolus aureus, picea sitchensis, picris echioides, pinckneya pubens, pinus monophylla, pinus thunbergii, pinus virginiana, prairie schooner, prairie trillium, president arthur, president carter, president hoover, president monroe, president pierce, president reagan, president taylor, president truman, president wilson, proboscis flower, pyrularia pubera, quercus coccinea, quercus stellata, quercus velutina, ratibida tagetes, raymond chandler, red false mallow, reinhold niebuhr, republican party, rhus quercifolia, rhythm and blues, richard m. nixon, right of privacy, robert e lee day, robert lee frost, robert m. yerkes, robinson jeffers, rock rattlesnake, roy lichtenstein, rudolf wurlitzer, ruth saint denis, s. smith stevens, sagebrush lizard, salix lasiolepis, salvia verbenaca, santiago de cuba, sarracenia flava, sarracenia minor, second world war, sessile trillium, shel silverstein, shepherd's clock, silvery wormwood, silver sagebrush, single-leaf pine, southern cypress, spotted weakfish, stanleya pinnata, state department, state government, stenotus acaulis, stephen sondheim, steven spielberg, strawberry shrub, summer snowflake, susan b. anthony, sweet pepperbush, swertia speciosa, terrapene ornata, texas bluebonnet, texas storksbill, thanksgiving day, theodore dreiser, the little giant, thomas higginson, thomas jefferson, thorstein veblen, thuja orientalis, thymus serpyllum, toxostoma rufums, tree of the gods, trifolium repens, trillium sessile, tsuga canadensis, ulysses s. grant, us border patrol, us naval academy, uta stansburiana, vegetable oyster, vladimir nabokov, w. e. b. du bois, wassily leontief, western kingbird, whispering bells, whorled milkweed, wild meadow lily, wild yellow lily, william beaumont, william bradford, william faulkner, william mckinley, william mitchell, william shockley, yellow colicroot, yellow jessamine, yucca brevifolia

17 letters:
adolph simon ochs, agropyron smithii, alligator snapper, alnus rhombifolia, american centaury, american feverfew, american language, american wistaria, american wisteria, amorpha canescens, amorpha fruticosa, antelope chipmunk, antelope squirrel, argemone mexicana, arkansas kingbird, army intelligence, arnold schoenberg, arthur rubinstein, arundinaria tecta, assemblies of god, aster turbinellis, atropa belladonna, banded sand snake, barnaby's thistle, battle born state, benjamin harrison, benjamin kubelsky, berberis vulgaris, betula fontinalis, bitternut hickory, black-legged tick, black huckleberry, blue false indigo, bronze star medal, buffalo bill cody, bufo microscaphus, bumelia lycioides, butter-bean plant, calamintha nepeta, california coffee, california redbud, carolina allspice, carolina moonseed, carolina parakeet, carya cordiformis, carya illinoensis, carya illinoinsis, cascade mountains, cascara buckthorn, cassin's kingbird, cecil john rhodes, charles bullfinch, charles kettering, charles lindbergh, charles m. schulz, charles menninger, chester a. arthur, citellus leucurus, clangula hyemalis, claude e. shannon, clethra alnifolia, coast white cedar, cockspur hawthorn, comstock mealybug, connecticut river, constitutionalize, creek confederacy, crotalus cerastes, danton true young, david o. selznick, david rittenhouse, deadly nightshade, decumaria barbara, decumaria barbata, desert paintbrush, diamond jim brady, dotted gayfeather, douglas fairbanks, douglas macarthur, dryland blueberry, dwarf gray willow, dwight eisenhower, edgar lee masters, electoral college, elizabeth peabody, elmer reizenstein, emma hart willard, energy department, european barberry, ezra loomis pound, federal judiciary, fifty dollar bill, flannery o'connor, francis scott key, frankincense pine, fraxinus velutina, freshwater mussel, gall of the earth, genista tinctoria, genus castanopsis, genus castoroides, genus collinsonia, genus coryphantha, genus enceliopsis, genus eriodictyon, genus erythronium, genus fothergilla, genus gymnocladus, genus kosteletzya, genus tetraneuris, george balanchine, george s. kaufman, george washington, golden crownbeard, gouverneur morris, great lakes state, green june beetle, harlean carpenter, harold hart crane, hedysarum boreale, helenium hoopesii, helen wills moody, helianthus annuus, henry louis aaron, homeland security, homer a. thompson, huddie leadbetter, iliamna ruvularis, inaugural address, indian paintbrush, ipomoea quamoclit, ixodes scapularis, james a. garfield, james earl carter, james jerome hill, jelly roll morton, jerome david kern, jerusalem cricket, john donald budge, john edgar hoover, john henry o'hara, john hoyer updike, john luther jones, john philip sousa, john quincy adams, john wilkes booth, jonas edward salk, joseph schumpeter, joyce carol oates, katharine hepburn, katherine cornell, king camp gilette, knowlton's cactus, korean lawn grass, larrea tridentata, lathyrus hirsutus, league of nations, lee harvey oswald, leonard bernstein, leopold stokowski, lespedeza striata, lilium pardalinum, local post office, loggerhead shrike, lotus berthelotii, louisa may alcott, louis auchincloss, lygodium palmatum, lyman frank brown, lythrum salicaria, magnolia stellata, manhattan project, margaret mitchell, martha jane burke, marvin neil simon, mary harris jones, maurice barrymore, mentha longifolia, mentha suaveolens, mephitis macroura, mercantile agency, mies van der rohe, mississippi river, missouri primrose, monarda pectinata, nathaniel currier, neotoma floridana, new people's army, nodding groundsel, nolina microcarpa, northern bobwhite, official document, orange sneezeweed, oregon crab apple, oscar hammerstein, our lord's candle, pacific northwest, panicum miliaceum, peccari angulatus, perennial ragweed, phaseolus lunatus, physalis ixocarpa, pieris floribunda, pincushion flower, pitymys pinetorum, political science, pond bald cypress, populus deltoides, prairie sunflower, president clinton, president harding, president kennedy, president lincoln, president madison, progressive party, prohibition party, prunus subcordata, pseudemys scripta, purple nightshade, quamoclit pennata, quentin tarantino, quercus michauxii, quercus palustris, quercus prinoides, quercus shumardii, rayless chamomile, red-bellied snake, red morning-glory, republic of palau, robert motherwell, robert tyre jones, rough green snake, rubus cuneifolius, salt marsh mallow, sambucus caerulea, satureja vulgaris, sauromalus obesus, scabiosa arvensis, seaside scrub oak, sea island cotton, senecio bigelovii, senecio doublasii, seriphidium canum, sesbania exaltata, sherwood anderson, shipboard soldier, silver star medal, sir jacob epstein, sonoran whipsnake, sorghum halapense, sorghum halepense, southern flounder, southern harebell, southern magnolia, southwestern toad, spoonbill catfish, spotted sea trout, spreading pogonia, stars and stripes, stephen jay gould, striped killifish, susquehanna river, swamp honeysuckle, swamp rose mallow, talinum calycinum, tallulah bankhead, tayassu angulatus, the king of swing, tjalling koopmans, tragopogon dubius, triticum dicoccum, tsuga caroliniana, tsuga mertensiana, ulmus crassifolia, urosaurus ornatus, us postal service, us secret service, victor franz hess, vigna unguiculata, viscountess astor, wallace carothers, washington irving, water gillyflower, wernher von braun, western red cedar, white honeysuckle, willem de kooning, william burroughs, william fulbright, william h. bonney, william menninger, william rehnquist, will keith kellog, wystan hugh auden, yellow-eyed grass, yellow water flag, yucca carnerosana, zoysia tenuifolia

18 letters:
advice and consent, african love grass, air combat command, air national guard, albert bruce sabin, alexander hamilton, alfred eisenstaedt, allionia incarnata, althea officinalis, alton glenn miller, american alligator, american civil war, american cockroach, american hackberry, american lady crab, american persimmon, american smokewood, american spicebush, american white oak, anomala orientalis, anthericum torreyi, anti-masonic party, aquilegia vulgaris, archibald macleish, artemis spinescens, arthur robert ashe, arthur schlesinger, asclepias albicans, asclepias exaltata, asclepias tuberosa, asplenium bradleyi, aster linarifolius, audubon's caracara, azolla caroliniana, banded rattlesnake, banded water snake, baptisia australis, bastard pennyroyal, bela ferenc blasko, benzoin odoriferum, berna eli oldfield, bird's-foot violet, black-headed snake, black-necked grebe, black-necked stilt, buckminster fuller, bumelia lanuginosa, california fuchsia, california redwood, callirhoe digitata, calycanthus family, capital of belarus, capital of georgia, carnegiea gigantea, carolina buckthorn, carolina chickadee, carolina pond fern, carphophis amoenus, catalpa bignioides, cercidium floridum, chenopodium murale, chenopodium rubrum, chilean strawberry, christopher carson, chrysopsis mariana, chrysopsis villosa, chuck-will's-widow, city of the angels, clark's nutcracker, cleome hassleriana, cocculus carolinus, cole albert porter, common rose mallow, common water snake, confederate states, cotinus americanus, crested coral root, crested wheatgrass, david roland smith, dense blazing star, diervilla lonicera, dino paul crocetti, duchess of windsor, dwight lyman moody, eadweard muybridge, eastern chinquapin, eastern cottontail, eastern cottonwood, eastern poison oak, eddie rickenbacker, edgar albert guest, edward g. robinson, edwin herbert land, elisha graves otis, elmer leopold rice, elvis aron presley, elwyn brooks white, eragrostis curvula, erich von stroheim, erigeron speciosus, erodium cicutarium, eryngium aquaticum, eryngium maritimum, eugene paul wigner, eugene victor debs, evergreen magnolia, farmer-labor party, federal department, fistulina hepatica, franklin roosevelt, frank lloyd wright, franz joseph kline, fraxinus cuspidata, fraxinus tomentosa, frederick douglass, fringe-toed lizard, galeopsis tetrahit, gentiana thermalis, genus echinocactus, genus echinocereus, genus pyxidanthera, genus sericocarpus, george ellery hale, george herman ruth, george walker bush, gian carlo menotti, gleditsia aquatica, golden crown beard, golden honey plant, gopherus agassizii, gossypium hirsutum, grand canyon state, gutierrezia texana, hairy finger grass, hairy golden aster, hall's honeysuckle, harlan fiske stone, helenium puberulum, helen adams keller, helen hunt jackson, henry ward beecher, henry wheeler shaw, heuchera sanguinea, hibiscus mutabilis, historical present, horned rattlesnake, horsetail milkweed, human relationship, iliamna acerifolia, imamu amiri baraka, independent agency, jacqueline cochran, james dewey watson, james john corbett, james merritt ives, james riddle hoffa, jerusalem warriors, john bach mcmaster, john foster dulles, john hope franklin, john james audubon, john joseph mcgraw, john simmons barth, joseph banks rhine, justice department, kentucky bluegrass, kentucy blue grass, know-nothing party, lagodon rhomboides, law of gravitation, law of mass action, legislative branch, leonard bloomfield, lepus californicus, leroy robert paige, leslie townes hope, leucothoe editorum, leucothoe racemosa, lewis henry morgan, lieutenant colonel, linus carl pauling, little mo connolly, lolium multiflorum, lonicera albiflora, lorenz milton hart, louisiana purchase, louis isadore kahn, lycopus americanus, lycopus virginicus, malus angustifolia, martin luther king, massachusetts fern, medgar wiley evers, menippe mercenaria, mexican fire plant, mimus polyglotktos, monarda citriodora, mountain andromeda, mountain hollyhock, mucuna deeringiana, muskogean language, nathaniel bowditch, nellie tayloe ross, old dominion state, olive-drab uniform, olympic salamander, opheodrys aestivus, opheodrys vernalis, orontium aquaticum, oryzomys palustris, ovalipes ocellatus, pan american union, parus carolinensis, paspalum dilatatum, peace garden state, pennisetum glaucum, penstemon barbatus, perognathus flavus, philip milton roth, phyllodoce breweri, pogonia divaricata, polemonium reptans, prairie coneflower, prairie gourd vine, prairie wake-robin, president buchanan, president coolidge, president fillmore, president garfield, president harrison, president mckinley, prosopis pubescens, prunus caroliniana, pseudemys concinna, pternohyla fodiens, purple loosestrife, quercus ilicifolia, quercus imbricaria, quercus laurifolia, quercus myrtifolia, quiscalus quiscula, ralph barton perry, rattlesnake master, redstem storksbill, resurrection plant, reversible process, rhamnus purshianus, richard d. fosbury, richard j. roberts, robert a. heinlein, robert edwin peary, robert king merton, robert oppenheimer, robert penn warren, roger brooke taney, rose louise hovick, rudbeckia serotina, russian tumbleweed, sabbatia angularis, sabbatia stellaris, salix amygdaloides, samuel f. b. morse, sapindus drumondii, satureja douglasii, scarlet fritillary, sciurus hudsonicus, screwbean mesquite, serge koussevitzky, shelby silverstein, shovelnose catfish, sida hermaphrodita, silky pocket mouse, silver certificate, single-leaf pinyon, sir yehudi menuhin, slender salamander, slender wheatgrass, smooth green snake, solidago nemoralis, solomon guggenheim, southern blue flag, southern buckthorn, southern red cedar, southern spadefoot, spiked loosestrife, spilogale putorius, stephen a. douglas, st andrews's cross, submarine sandwich, sugar ray robinson, swamp chestnut oak, sweet four o'clock, synaptomys cooperi, talinum spinescens, taxodium distichum, tennessee williams, theodore roosevelt, thermopsis villosa, the great commoner, the manassa mauler, thomas alva edison, thomas hart benton, thomas hunt morgan, thomas nelson page, thomomys talpoides, timber rattlesnake, townsendia exscapa, trailing windmills, trifolium reflexum, trionyx spiniferus, twenty dollar bill, united states army, united states code, united states mint, united states navy, vaccinium arboreum, vaccinium pallidum, virginia snakeroot, virginia waterleaf, vitis rotundifolia, weeping love grass, western box turtle, western crab apple, western wheatgrass, white false indigo, white horse nettle, william rose benet, william strickland, yellow honeysuckle, zenaidura macroura

19 letters:
african clawed frog, agropyron cristatum, ailanthus altissima, alexander woollcott, alfred damon runyon, alfred thayer mahan, allegheny chinkapin, american crab apple, american shrew mole, american turkey oak, american watercress, amorpha californica, andropogon furcatus, andropogon gerardii, annona diversifolia, antirrhinum filipes, army national guard, artemisia filifolia, asclepias incarnata, baccharis pilularis, bartolomeo vanzetti, bassariscus astutus, betty naomi friedan, bignonia capreolata, black-footed ferret, black jack pershing, blattella germanica, bluestem wheatgrass, bottlebrush buckeye, buchloe dactyloides, bursera microphylla, calandrinia ciliata, california allspice, capital of maryland, capsicum frutescens, carl david anderson, castanea ozarkensis, castilleja chromosa, celtis occidentalis, centaurea americana, cercis occidentalis, charles dana gibson, charles edward ives, charles martin hall, chester alan arthur, christian scientist, cirsium lanceolatum, citellus variegatus, cleistes divaricata, clematis ochreleuca, clematis versicolor, clinopodium vulgare, colaptes chrysoides, colinus virginianus, colin luther powell, colorado river hemp, coluber constrictor, comer vann woodward, commerce department, common devil's claw, comptroller general, comstock's mealybug, conrad potter aiken, country and western, crataegus apiifolia, crested wheat grass, curleyleaf pondweed, custer's last stand, cynoscion nebulosus, cyrilla racemiflora, department of labor, desert sand verbena, desmodium purpureum, desmodium tortuosum, dicentra cucullaria, dipsacus sylvestris, dutchman's breeches, dwarf chinkapin oak, dwight filley davis, eastern coral snake, edward durell stone, edward everett hale, edward lawrie tatum, edwin powell hubble, eichhornia spesiosa, elmore john leonard, elymus trachycaulos, eugene curran kelly, eugene luther vidal, euonymus americanus, euphorbia corollata, euphorbia marginata, evergreen blueberry, exclusion principle, f. scott fitzgerald, fighting joe hooker, footsteps-of-spring, fragaria chiloensis, francis peyton rous, frank philip stella, fritillaria biflora, fritillaria recurva, gaylussacia baccata, george gordon meade, george herbert mead, george orson welles, george wells beadle, george westinghouse, georgiana barrymore, gerald rudolph ford, government security, gustav ludwig hertz, hans albrecht bethe, haplopappus acaulis, harold clayton urey, harry lillis crosby, heloderma suspectum, henry david thoreau, henry hubert turner, henry louis mencken, henry martyn robert, henry robinson luce, heterotheca villosa, hexalectris spicata, hibiscus esculentus, hibiscus moscheutos, hieracium praealtum, hiram king williams, hiram ulysses grant, hispid pocket mouse, hundred dollar bill, hypsiglena torquata, ictalurus punctatus, illicium floridanum, interagency support, interior department, ipomoea leptophylla, isaac merrit singer, james branch cabell, james joseph tunney, james scott connors, japanese black pine, japanese lawn grass, japanese poinsettia, jehovah's witnesses, jesse louis jackson, john anthony ciardi, john broadus watson, john d. rockefeller, john llewelly lewis, john merven carrere, john moses browning, john singer sargent, josef von sternberg, joseph deems taylor, joseph louis barrow, julia evelina smith, korean velvet grass, land of enchantment, land of opportunity, lanius lucovicianus, leitneria floridana, lepomis macrochirus, lester willis young, lieutenant governor, lupinus subcarnosus, lycium carolinianum, magnolia virginiana, makataimeshekiakiak, malaclemys centrata, marcel lajos breuer, martina navratilova, mary leontyne price, mary mcleod bethune, mentha rotundifolia, mexican bean beetle, mexican husk tomato, michael joe jackson, mid-atlantic states, mikhail baryshnikov, missouri compromise, mountain blue berry, mountain fetterbush, mountain watercress, muscivora-forficata, muskhogean language, nancy witcher astor, nathaniel hawthorne, national censorship, northern pitch pine, nyctaginia capitata, oliver hazard perry, omar nelson bradley, one million million, oriental arborvitae, ottmar mergenthaler, otto fritz meyerhof, oxytropis lambertii, parkinsonia florida, peach-leaved willow, peltandra virginica, peromyscus eremicus, peter carl goldmark, phyllodoce caerulea, plains pocket mouse, potamogeton crispus, potamogeton nodosus, potentilla anserina, president cleveland, president jefferson, president roosevelt, president van buren, prosopis glandulosa, purple poppy mallow, pylodictus olivaris, pyrrhuloxia sinuata, quercus chrysolepis, quercus marilandica, rabbiteye blueberry, ralph waldo ellison, ralph waldo emerson, red-shafted flicker, rhus toxicodenedron, richard evelyn byrd, richard morris hunt, rodney george laver, roy chapman andrews, rutherford b. hayes, sapindus marginatus, saratoga spittlebug, scarlet musk flower, sciaenops ocellatus, shelton jackson lee, shortia galacifolia, short hundredweight, shoshonean language, shoshonian language, smilax rotundifolia, solanum carolinense, southern crab apple, sporobolus poiretii, spotted squeateague, st. augustine grass, st. lawrence seaway, state supreme court, stephen samuel wise, supporters of islam, swampy beggar-ticks, swedish nightingale, symplocus tinctoria, table-mountain pine, talinum aurantiacum, talinum brevifolium, tammy wynetter pugh, teapot dome scandal, the father of radio, trillium recurvatum, twentieth amendment, tyrannus vociferans, us military academy, vaccinium stamineum, verbesina virginica, viburnum recognitum, virginia crownbeard, virginia serpentary, walter elias disney, western blind snake, western chokecherry, western coral snake, western diamondback, western paper birch, western sand cherry, willard frank libby, willa sibert cather, william clark gable, william henry gates, william henry pratt, william howard taft, wisteria frutescens, yellow chestnut oak, yellow giant hyssop, yellow star-thistle, zebra-tailed lizard

20 letters:
abutilon theophrasti, agastache nepetoides, albert szent-gyorgyi, alfred louis kroeber, almond-leaves willow, ambystoma talpoideum, american featherfoil, american labor party, amsinckia intermedia, andrew dickson white, arenaria caroliniana, arnold daniel palmer, arnold lucius gesell, arthur garfield hays, arthur holly compton, arundinaria gigantea, asian tiger mosquito, atlantic white cedar, atriplex hymenelytra, atriplex lentiformis, baby-boom generation, bairdiella chrysoura, bastard lignum vitae, billion-dollar grass, blacktail jackrabbit, booker t. washington, bradley's spleenwort, british commonwealth, browning machine gun, bryanthus taxifolius, bureau of the census, california box elder, california buckthorn, california buckwheat, california white fir, callimorpha jacobeae, calvin richard klein, calycanthus floridus, campanula divaricata, carpodacus mexicanus, cassiope mertensiana, cecil blount demille, cenchrus tribuloides, centaurium calycosum, centropistes striata, cesar estrada chavez, charles a. lindbergh, charles edward berry, charles evans hughes, charles follen mckim, charles francis hall, charles herbert best, charles taze russell, charles william post, chinese parasol tree, cimicifuga americana, citellus richardsoni, cliftonia monophylla, commodore vanderbilt, common unicorn plant, congressional record, cornelius vanderbilt, cottonmouth moccasin, crataegus aestivalis, crataegus crus-galli, crataegus marshallii, cyrus hall mccormick, department of energy, diamondback terrapin, didelphis virginiana, diospyros virginiana, dipsosaurus dorsalis, donald arthur glaser, dwarf-white trillium, dwarf chinquapin oak, dwight d. eisenhower, eastern cricket frog, eastern fence lizard, eastern fox squirrel, eburophyton austinae, edgar rice burroughs, education department, edward jean steichen, edward lee thorndike, edward roscoe murrow, edwin dubois hayward, eichhornia crassipes, eighteenth amendment, elmer ambrose sperry, epilachna varivestis, eryngium yuccifolium, erythronium montanum, executive department, fire-on-the-mountain, fouquieria splendens, fourteenth amendment, francis ford coppola, fraxinus caroliniana, fringed poppy mallow, fritz albert lipmann, fumaria sempervirens, gaillardia pulchella, gaylussacia frondosa, george michael cohan, george simon kaufman, globicephala melaena, gossypium barbadense, grace patricia kelly, green fringed orchis, habenaria leucophaea, habenaria orbiculata, harold clayton lloyd, harry f. klinefelter, harry sinclair lewis, harry stack sullivan, helianthus giganteus, henry norris russell, henry oscar houghton, herbert clark hoover, herbert mclean evans, himantopus mexicanus, hooded pitcher plant, howard robard hughes, hydrastis canadensis, islamic army of aden, james arthur baldwin, james buchanan brady, james edmund scripps, james francis thorpe, james grover thurber, james leonard farmer, james thomas farrell, james whitcomb riley, jessica lucy mitford, john birks gillespie, john charles fremont, john ernst steinbeck, john griffith chaney, john howard northrop, john joseph pershing, john philip marquand, john pierpont morgan, joseph paul dimaggio, josiah willard gibbs, juniperus silicicola, keith rupert murdoch, lagerstroemia indica, lampropeltis getulus, lawrence peter berra, leonotis nepetifolia, leontodon autumnalis, liatris pycnostachya, lichanura trivirgata, little spotted skunk, louis henri sullivan, louis henry sullivan, lucius dubignon clay, lucretia coffin mott, magnolia grandiflora, magnolia macrophylla, malvastrum coccineum, marianne craig moore, marie goeppert mayer, marsh st-john's wort, marsilea quadrifolia, meadow jumping mouse, mentzelia livicaulis, mexican freetail bat, michael gerald tyson, micromeria douglasii, microtus ochrogaster, mirabilis longiflora, mount rushmore state, myrciaria cauliflora, nabalus serpentarius, nettleleaf goosefoot, neurotrichus gibbsii, nucifraga columbiana, nuphar sagittifolium, oenothera macrocarpa, oscar hammerstein ii, osmanthus americanus, parkinsonia aculeata, parsley-leaved thorn, passiflora incarnata, paul bustill robeson, perognathus hispidus, photinia arbutifolia, pine-barren sandwort, plains lemon monarda, podiceps nigricollis, polanisia dodecandra, polanisia graveolens, prairie golden aster, president eisenhower, president john adams, president washington, quantum field theory, quercus vaccinifolia, rabbit-eye blueberry, rachel louise carson, rattlesnake's master, ray douglas bradbury, red-backed sandpiper, retaliatory eviction, rhamnus californicus, rhamnus carolinianus, richard john roberts, robert bruce mathias, robert james fischer, robert mearns yerkes, robert van de graaff, robinia pseudoacacia, rocky mountain pinon, ronald wilson reagan, salpinctes obsoletus, salvelinus namaycush, samuel jackson snead, sanicula arctopoides, sceloporus graciosus, sceloporus undulatus, sequoia sempervirens, side-blotched lizard, silver-leaved nettle, silver-leaved poplar, six-lined racerunner, snow-on-the-mountain, southern bog lemming, southern spatterdock, southern white cedar, southern yellow pine, spanish-american war, sphaeralcea coccinea, stanley frank musial, star-spangled banner, stemless golden weed, stenopelmatus fuscus, sylvilagus aquaticus, thelypteris simulata, theodore dwight weld, theodor seuss geisel, thin-leaved bilberry, thomas clayton wolfe, thomas stearns eliot, thomas wright waller, threadleaf groundsel, tillandsia usneoides, tragopogon pratensis, treasury obligations, trifolium incarnatum, trilisa odoratissima, united states dollar, united states senate, united states waters, upton beall sinclair, us air force academy, uvularia grandiflora, vaccinium myrsinites, valley pocket gopher, vinegar joe stilwell, virginia serpentaria, whitetail jackrabbit, william dean howells, william henry hoover, william henry seward, william james durant, william s. burroughs, yellow pitcher plant

21 letters:
adlai ewing stevenson, agnes george de mille, agropyron intermedium, agropyron pauciflorum, alben william barkley, alexander graham bell, alfred alistair cooke, alfred charles kinsey, amaranthus graecizans, ambrosia psilostachya, american bog asphodel, american red squirrel, amsinckia grandiflora, andrew william mellon, andropogon virginicus, anemopsis californica, apalachicola rosemary, appalachian mountains, ariocarpus fissuratus, arna wendell bontemps, artemisia gnaphalodes, artemisia ludoviciana, arthur edwin kennelly, asron montgomery ward, barbra joan streisand, battle of wake island, bernard mannes baruch, big shellbark hickory, black-stem spleenwort, boy scouts of america, burrill bernard crohn, callirhoe involucrata, carcharhinus plumbeus, carya myristiciformis, central standard time, chaim azriel weizmann, charles dudley warner, charles farrar browne, charles hardin holley, charles munroe schulz, chilomeniscus cinctus, chloe anthony wofford, christine marie evert, christopher isherwood, civil rights movement, claude elwood shannon, cornelia otis skinner, crataegus biltmoreana, daniel chester french, daniel hudson burnham, darryl francis zanuck, david oliver selznick, department of justice, devil's walking stick, didelphis marsupialis, digitaria sanguinalis, eastern standard time, eastern united states, edward calvin kendall, edward henry harriman, edward osborne wilson, edward wyllis scripps, emmanthe penduliflora, epilobium canum canum, erigonum fasciculatum, eumeces callicephalus, euphorbia cyathophora, euphorbia cyparissias, euproctis phaeorrhoea, family calycanthaceae, family fouquieriaceae, francis edgar stanley, frederick law olmsted, fundulus heteroclitus, glenn hammond curtiss, gutierrezia sarothrae, harriet beecher stowe, helen newington wills, helianthus petiolaris, hermann joseph muller, hydrangea arborescens, hydrilla verticillata, hylactophryne augusti, hyman george rickover, hymenoxys grandiflora, hypericum crux andrae, hypericum virginianum, isaac bashevis singer, jack william nicklaus, james albert michener, james cleveland owens, james fenimore cooper, james harvey robinson, james howard meredith, james langston hughes, japanese carpet grass, japanese varnish tree, jerome david salinger, john orley allen tate, john robinson jeffers, joseph francis keaton, katherine anne porter, kosteletzya virginica, large-leaved magnolia, law of thermodynamics, leonotis nepetaefolia, leptotyphlops humilis, leslie richard groves, louis comfort tiffany, low st andrew's cross, macroclemys temmincki, maianthemum canadense, maryland golden aster, mary therese mccarthy, masticophis flagellum, mentzelia laevicaulis, migratory grasshopper, narthecium americanum, norman mattoon thomas, northern cricket frog, oliver wendell holmes, pacific standard time, paul johannes tillich, pennisetum americanum, periplaneta americana, peromyscus gossypinus, philadelphia fleabane, phineas taylor barnum, prunus alleghaniensis, quercus muehlenbergii, r. buckminster fuller, ragged-fringed orchid, reconstruction period, resident commissioner, rhododendron viscosum, richard milhous nixon, robert abram bartlett, robert anson heinlein, robert burns woodward, robert emmet sherwood, robert woodrow wilson, saint lawrence seaway, sanvitalia procumbens, scabiosa atropurpurea, scomberomorus regalis, shortleaf yellow pine, silverleaf nightshade, socialist labor party, spiranthes porrifolia, stanley smith stevens, stephen michael reich, stephen vincent benet, stylophorum diphyllum, sylvilagus floridanus, systeme international, tadarida brasiliensis, talinum augustissimum, tamiasciurus douglasi, theodore harold white, the great compromiser, thomas woodrow wilson, thornton niven wilder, timothy francis leary, trailing four o'clock, ulysses simpson grant, united states cabinet, united states marines, verbesina encelioides, western gray squirrel, western united states, william graham sumner, william harrison hays, william henry mauldin, william sydney porter, wyethia amplexicaulis, wyethia helianthoides, ximenesia encelioides

22 letters:
abbott lawrence lowell, abelmoschus esculentus, agkistrodon contortrix, agkistrodon piscivorus, agropyron trachycaulum, aimee semple mcpherson, al-itihaad al-islamiya, alice malsenior walker, al itihaad al islamiya, ambrose gwinett bierce, american angelica tree, american sign language, andrew jackson downing, andromeda glaucophylla, arthur jacob arshawsky, asclepias verticillata, aspidiotus perniciosus, asplenium pinnatifidum, belle miriam silverman, benjamin david goodman, benjamin henry latrobe, cardamine rotundifolia, carl clinton van doren, carson smith mccullers, carya myristicaeformis, cassius marcellus clay, centaurea solstitialis, chamaecyparis thyoides, charles dillon stengel, charles robert redford, chester william nimitz, chionanthus virginicus, clarence seward darrow, clyde william tombaugh, collinsonia canadensis, congressional district, corydalis sempervirens, cucurbita foetidissima, david barnard steinman, david glasgow farragut, dean gooderham acheson, department of commerce, diervilla sessilifolia, dishonorable discharge, edward estlin cummings, edward franklin albeen, edward williams morley, elizabeth cady stanton, emergency alert system, eupatorium coelestinum, eupatorium perfoliatum, euphorbia heterophylla, evening trumpet flower, federal job safety law, federal reserve system, forestiera neomexicana, francis albert sinatra, fraxinus quadrangulata, frederick moore vinson, gaylussacia brachycera, gelnn theodore seaborg, gelsemium sempervirens, gentianopsis thermalis, gilbert charles stuart, golden-beard penstemon, granville stanley hall, gregory goodwin pincus, gridiron-tailed lizard, gross domestic product, gross national product, helianthemum canadense, helianthemum scoparium, helianthus laetiflorus, henry alfred kissinger, henry rowe schoolcraft, henry valentine miller, humming bird's trumpet, hypericum hypericoides, intelligence community, isidor feinstein stone, james abraham garfield, james alfred van allen, james douglas morrison, james harold doolittle, james maitland stewart, james marshall hendrix, japanese angelica tree, john augustus roebling, john kenneth galbraith, joseph warren stilwell, julius winfield erving, juniperus horizontalis, kate o'flaherty chopin, kenneth bancroft clark, leucothoe fontanesiana, madonna louise ciccone, maria meneghini callas, mary flannery o'connor, masticophis bilineatus, maximilian's sunflower, menticirrhus saxatilis, michael ellis de bakey, micromeria chamissonis, mildred ella didrikson, milton snavely hershey, mountain standard time, mucuna pruriens utilis, muhlenbergia schreberi, new world least weasel, northern pocket gopher, operation desert storm, oscar palmer robertson, pachysandra procumbens, pediocactus knowltonii, perognathus flavescens, philip warren anderson, piranga flava hepatica, platycladus orientalis, potamogeton americanus, potamogeton gramineous, prenanthes serpentaria, presidential directive, prosopium williamsonii, pseudococcus comstocki, reuben lucius goldberg, rhyacotriton olympicus, richard jordan gatling, robert charles venturi, rocky mountains cherry, sanicula bipinnatifida, solanum elaeagnifolium, stephen arnold douglas, stephen collins foster, superfamily tyrannidae, susan brownell anthony, susan b anthony dollar, thelonious sphere monk, thermopsis macrophylla, thomas augustus watson, thomas lanier williams, thorstein bunde veblen, toxicodendron radicans, tragopogon porrifolius, trichostema dichotomum, trifolium stoloniferum, united states congress, united states dry unit, verbesina alternifolia, viccinium membranaceum, virgil garnett thomson, wallace hume carothers, war between the states, western honey mesquite, william benjamin hogan, william dudley haywood, william felton russell, william frederick cody, william henry harrison, william jennings bryan, william le baron jenny, william lloyd garrison, woodrow charles herman, woodrow wilson guthrie

23 letters:
aden-abyan islamic army, air force space command, allied command atlantic, american virgin islands, amsonia tabernaemontana, anne mansfield sullivan, aphrophora saratogensis, asian longhorned beetle, buckleya distichophylla, california yellow bells, callisaurus draconoides, campephilus principalis, charles franklin peirce, cheilanthes alabamensis, cnemidophorus exsanguis, colaptes caper collaris, commonwealth of nations, confederate rose mallow, conoclinium coelestinum, conuropsis carolinensis, crocanthemum canadensei, daniel garrison brinton, department of education, douglas elton fairbanks, dwight david eisenhower, echinochloa frumentacea, edward james muggeridge, edward vincent sullivan, emil klaus julius fuchs, erigeron philadelphicus, ernest orlando lawrence, frances hodgson burnett, frank morrison spillane, frederick childe hassam, george armstrong custer, george catlett marshall, greta louisa gustafsson, gustavus franklin swift, harry fitch kleinfelter, helianthus maximilianii, henry hobson richardson, herbert alexander simon, heteromeles arbutifolia, igor ivanovich sikorsky, intermediate wheatgrass, ivory-billed woodpecker, jack roosevelt robinson, james william fulbright, john fitzgerald kennedy, john greenleaf whittier, joseph alois schumpeter, joseph lincoln steffens, joseph raymond mccarthy, karl augustus menninger, kathryn elizabeth smith, lieutenant junior grade, little ebony spleenwort, margaret higgins sanger, matthew calbraith perry, menticirrhus littoralis, microtus pennsylvaticus, micruroides euryxanthus, nettle-leaved goosefoot, nicholas vachel lindsay, old man of the mountain, oligoporus leucospongia, ornithogalum umbellatum, percy aldridge grainger, pierre charles l'enfant, principle of relativity, proboscidea louisianica, reticulitermes flanipes, ringgold wilmer lardner, robert andrews millikan, robert charles benchley, robert e lee's birthday, robert maynard hutchins, salsola kali tenuifolia, samuel dashiell hammett, sir hiram stevens maxim, stenotaphrum secundatum, stizolobium deeringiana, strawberry-shrub family, tamiasciurus hudsonicus, tautogolabrus adspersus, tetraneuris grandiflora, trichostema lanceolatum, tropidoclonion lineatum, turpentine camphor weed, united states air force, united states civil war, united states president, verbesina helianthoides, vladimir kosma zworykin, wallis warfield simpson, wallis warfield windsor, warren gamaliel harding, western ladies' tresses, white-rayed mule's ears, white-tailed jackrabbit, willard van orman quine, william carlos williams, william crawford gorgas, william franklin graham, william holmes mcguffey, william hubbs rehnquist, william lawrence shirer, william randolph hearst, yellow-bellied terrapin, zauschneria californica

24 letters:
acanthocereus pentagonus, acanthocereus tetragonus, actinomeris alternifolia, albert abraham michelson, albert von szent-gyorgyi, allen stewart konigsberg, ambrose everett burnside, anoplophora glabripennis, aristolochia serpentaria, arthur meier schlesinger, atomic energy commission, barbara wertheim tuchman, battle of little bighorn, billie jean moffitt king, black-stemmed spleenwort, black english vernacular, browning automatic rifle, burrhus frederic skinner, calycanthus occidentalis, caprimulgus carolinensis, chorizagrotis auxiliaris, circuit court of appeals, collis potter huntington, domestic relations court, edgard lawrence doctorow, edward kennedy ellington, edwin arlington robinson, elinor morton hoyt wylie, elizabeth palmer peabody, eriodictyon californicum, ernestine schumann-heink, erskine preston caldwell, eugene gladstone o'neill, eupatorium capillifolium, false lily of the valley, federal trade commission, francis everett townsend, francis richard stockton, frank winfield woolworth, frederick carleton lewis, frederick jackson turner, george herbert hitchings, george washington carver, georgiana emma barrymore, gertrude caroline ederle, great-leaved macrophylla, harvery williams cushing, henry engelhard steinway, homer armstrong thompson, house of representatives, humphrey deforest bogart, hydrophyllum virginianum, isabella stewart gardner, japanese barnyard millet, john davison rockefeller, john hasbrouck van vleck, joseph emerson worcester, large-flowering magnolia, lithophragma parviflorum, ludwig mies van der rohe, lycopodium alopecuroides, massachusetts bay colony, mastigoproctus giganteus, national security agency, parathelypteris simulata, parthenium hysterophorus, parthenium integrifolium, pearl sydenstricker buck, president george w. bush, princess grace of monaco, pycnanthemum virginianum, quentin jerome tarantino, richard phillips feynman, robert hutchings goddard, rocky mountain whitefish, roman osipovich jakobson, round-leaved rein orchid, samuel langhorne clemens, samuel pierpoint langley, scaphiopus multiplicatus, scissortailed flycatcher, selaginella lepidophylla, silver-leaved nightshade, southern flying squirrel, stephen grover cleveland, take the fifth amendment, theodore samuel williams, the star-spangled banner, thomas hopkins gallaudet, thryothorus ludovicianus, united states government, united states of america, urocyon cinereoargenteus, veterans of foreign wars, victoria clafin woodhull, ways and means committee, william averell harriman, william claire menninger, william harrison dempsey, william seward burroughs, william tecumseh sherman, yellow bachelor's button

25 letters:
acer negundo californicum, allegheny mountain spurge, alligator mississipiensis, alligator snapping turtle, american federalist party, anne mary robertson moses, articles of confederation, asclepias subverticillata, beggar-my-neighbor policy, benjamin ricketson tucker, brewer's mountain heather, carry amelia moore nation, charles proteus steinmetz, chrysosplenium americanum, cnemidophorus sexlineatus, constitutional convention, crater lake national park, dorothy rothschild parker, edna saint vincent millay, elizabeth cochrane seaman, empire state of the south, euphorbia antisyphilitica, european recovery program, foreign direct investment, franklin delano roosevelt, gastrophryne carolinensis, health and human services, hippoglossus hippoglossus, interdepartmental support, jefferson davis' birthday, large-flowered fiddleneck, louis stanton auchincloss, maria magdalene von losch, markaz-ud-dawa-wal-irshad, matricaria matricarioides, naval research laboratory, order of the purple heart, paralichthys lethostigmus, pauli exclusion principle, president abraham lincoln, president john f. kennedy, prunus virginiana demissa, raymond thornton chandler, roger huntington sessions, rutherford birchard hayes, soviet socialist republic, storeria occipitamaculata, technology administration, tjalling charles koopmans, u. s. army special forces, unemployment compensation, united states liquid unit, united states post office, variously-leaved pondweed, war of the grand alliance, western black-legged tick, willard huntington wright, william bradford shockley, william christopher handy, william claude dukenfield, william cuthbert faulkner, william jefferson clinton, william penn adair rogers, yellowstone national park, yellow twining snapdragon

26 letters:
amaranthus hypochondriacus, andrei andreyevich gromyko, charles augustus lindbergh, charles christopher parker, charles franklin kettering, constitutional union party, crotalus horridus horridus, department of the interior, distinguished flying cross, edward goldenberg robinson, edward vernon rickenbacker, george herbert walker bush, george washington goethals, haplopappus phyllocephalus, henry wadsworth longfellow, hoagland howard carmichael, islamic army of aden-abyan, katharine houghton hepburn, large-leaved cucumber tree, lewis and clark expedition, lonicera japonica halliana, lowland burrowing treefrog, mary ashton rice livermore, maureen catherine connolly, maxfield frederick parrish, narrow-leaved flame flower, northeastern united states, northwestern united states, richardson ground squirrel, richard buckminster fuller, samuel finley breese morse, search and destroy mission, sorghum vulgare rosburghii, southeastern united states, southwestern united states, toxicodendron quercifolium, trautvetteria carolinensis, united states army rangers, united states constitution, united states marine corps, zanthoxylum clava-herculis

27 letters:
archosargus probatocephalus, central intelligence agency, certified public accountant, charles frederick menninger, chihuahuan spotted whiptail, commonwealth of puerto rico, comptroller of the currency, court of domestic relations, david lewelyn wark griffith, defense intelligence agency, democratic-republican party, distinguished service cross, distinguished service medal, eastern narrow-mouthed toad, edith newbold jones wharton, fairway crested wheat grass, freedom from discrimination, funnel-crest rosebud orchid, heinrich engelhard steinway, helen laura sumner woodbury, igor fyodorovich stravinsky, jean louis rodolphe agassiz, margaret munnerlyn mitchell, moranzanist patriotic front, newton's law of gravitation, northern casque-headed frog, office of homeland security, president benjamin harrison, president john quincy adams, protestant episcopal church, republic of the philippines, united states border patrol, united states naval academy, united states supreme court, us house of representatives, whitetail antelope squirrel

28 letters:
battle of the little bighorn, battle of the philippine sea, booker taliaferro washington, calamintha nepeta glantulosa, capital of the united states, department of transportation, edmund charles edouard genet, elizabeth merriwether gilmer, francis scott key fitzgerald, government accounting office, jean-louis lebris de kerouac, melville louis kossuth dewey, mel columcille gerard gibson, metasequoia glyptostrodoides, office of naval intelligence, polyborus cheriway audubonii, prairie white-fringed orchis, president franklin roosevelt, president theodore roosevelt, robert jemison van de graaff, the boy orator of the platte, united states postal service, united states secret service, united states virgin islands, us postal inspection service

29 letters:
air force research laboratory, american revolutionary leader, buffalo bill's wild west show, charlotte anna perkins gilman, clemence sophia harned lozier, confederate states of america, frances eliza hodgson burnett, gloria may josephine svensson, great plains of north america, housing and urban development, james abbott mcneill whistler, methylenedioxymethamphetamine, moro islamic liberation front, small business administration, u.s. house of representatives, war of the league of augsburg

30 letters:
crimea-congo hemorrhagic fever, criminal investigation command, department of veterans affairs, federated states of micronesia, george percy aldridge grainger, helen maria fiske hunt jackson, interstate commerce commission, national labor relations board, national reconnaissance office, president of the united states, satureja calamintha glandulosa, systeme international d'unites, theodore herman albert dreiser, united states customary system, united states military academy, vladimir vladimirovich nabokov

31 letters:
arthur stanley jefferson laurel, dichlorodiphenyltrichloroethane, freedom from self-incrimination, great seal of the united states, harriet elizabeth beecher stowe, industrial workers of the world, mildred ella didrikson zaharias, national intelligence community, revolutionary people's struggle, rocky mountain bristlecone pine, states' rights democratic party, strategic arms limitation talks, united states air force academy, western diamondback rattlesnake

32 letters:
alfred habdank skarbek korzybski, department of commerce and labor, director of central intelligence, grace ethel cecile rosalie allen, lauritz lebrecht hommel melchior, phaseolus acutifolius latifolius, president william henry harrison, republic of the marshall islands, saint elizabeth ann bayley seton, septobasidium pseudopedicellatum, william edward burghardt du bois, wrangell-st. elias national park

33 letters:
combination in restraint of trade, constitution of the united states, executive office of the president, ferdinand joseph la menthe morton, international intelligence agency, palestine liberation organization, supreme allied commander atlantic, united states army special forces, united states intelligence agency

34 letters:
commonwealth of independent states, esther hobart mcquigg slack morris, frances elizabeth caroline willard, leopold antoni stanislaw stokowski, marine corps intelligence activity, occupational safety and health act, sergei aleksandrovich koussevitzky, supreme court of the united states, thomas wentworth storrow higginson, tyrannus domenicensis domenicensis

35 letters:
federal emergency management agency, great smoky mountains national park, wernher magnus maximilian von braun

36 letters:
department of the federal government, privilege against self incrimination, transportation safety administration, united states intelligence community

37 letters:
attorney general of the united states, foreign intelligence surveillance act

38 letters:
association of southeast asian nations, christopher william bradshaw isherwood, immigration and naturalization service, revolutionary armed forces of colombia, revolutionary organization 17 november, united states house of representatives

39 letters:
department of health and human services, foreign intelligence surveillance court, revolutionary people's liberation front, revolutionary people's liberation party, united states postal inspection service

40 letters:
air force intelligence surveillance and reconnaissance, army high performance computing research center, defense advanced research projects agency, defense reutilization and marketing service, department of health education and welfare, department of housing and urban development, fuerzas armadas revolucionarios de colombia, international society for krishna consciousness, medical literature analysis and retrieval system, national aeronautics and space administration, right to speedy and public trial by jury, united society of believers in christ's second appearing, united states government accounting office

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