1 syllable:
beaute, bhoot, bleuet, bluet, bluett, bluette, bluitt, blute, boot, boote, boutte, brouet, brouette, bruit, brut, brute, bute, butte, choute, chroot, chuet, chute, cloot, clouet, clute, coot, coote, couette, croute, cruet, crute, cute, doute, duett, dzj-08, fluet, flute, fouet, fouette, froot, fruit, fuite, g-suit, glute, goutte, groot, groote, gruit, heute, hoot, huett, huette, huitt, joott, juett, jute, kloot, klute, knute, kutte, leute, lieut, loot, loote, luette, lute, meute, moot, moote, mootw, mouette, mute, newt, nute, plute, pruett, puett, pute, root, rouet, route, schroot, schuett, schuette, schuit, scoot, scute, shoot, shute, sloot, sluit, smoot, snoot, spoot, spruit, sprut, spute, stoot, stroot, stute, suitt, thuot, toot, toote, touite, truett, truite, truitt, tuite, voute, w00t, whoot, wroot, wvue-dt, zbl-08

2 syllables:
2suit, ablute, absoute, accute, acute, adjute, aleut, alouette, arbute, archlute, arouet, astute, ballute, baloot, bambute, barbute, barut, batsuit, beabout, bebout, beetroot, beirut, belute, biroute, birthroot, bitchute, blood-root, bloodroot, bread-fruit, breadfruit, breadroot, brierroot, buildroot, bus route, cahoot, cahouet, caillouet, canute, caouette, catsuit, chanute, cheroot, choucroute, chute-the-chute, clubroot, coal chute, commute, compute, confute, coreboot, crapshoot, cream-fruit, crowboot, cube root, das boot, deaf-mute, deduit, defruit, degroote, desuete, diepsloot, dilute, disput, dispute, disroot, doot-doot, dried fruit, drogue chute, drysuit, dwight schrute, dysluite, ecoute, eggfruit, elute, embrute, emeute, en-suite, enlute, enroot, enroute, ensuite, entmoot, en route, erneut, false fruit, fatsuit, feghoot, flagroot, floruit, folkmoot, freeboot, fursuit, galloot, galoot, garoutte, grapefruit, grassroot, grunt-hoot, gumboot, gum boot, half-boot, half boot, hardboot, harpoot, hip boot, hirsute, iboot, imbrute, immute, impute, incute, itu-t, jackboot, jackfruit, jumpsuit, key fruit, kon-boot, kykuit, lachute, lawsuit, lituite, longroot, macoute, manroot, marut, matute, menuett, minute, misroute, muskroot, nasute, nelspruit, nerveroot, netboot, non-suit, nonsuit, nose flute, off-shoot, offshoot, onroute, outroot, outshoot, pant-hoot, pantsuit, penchute, permute, piloot, pinkroot, plashoot, playsuit, poke-root, pokeroot, pollute, prop root, pursuit, q-route, quileute, rafute, rajpoot, re-route, reboot, recruit, redroot, reduit, refut, refute, repute, reroute, reshoot, rose-root, saboot, salute, sapoot, schlauchboot, schnellboot, scorbute, seaboot, sharpshoot, sheroot, ship route, silhoutte, sillhouette, sillouette, siloutte, ski boot, sleepsuit, snakeroot, snapshoot, snowsuit, soaproot, solut, solute, space-suit, spacesuit, speedsuit, sport-ute, square root, squawroot, starfruit, starshoot, star fruit, stone-fruit, stone-root, stoneroot, stone fruit, stone root, straight flute, sunsuit, suppute, sweatsuit, sweetroot, swimsuit, take root, tap-root, taproot, thigh boot, tkb-408, tooth root, top boot, to boot, tracksuit, trade route, transmute, trunk route, u-boot, unboot, unlute, unroot, unsoot, unsuit, uproot, upshoot, veloute, versute, volute, webroot, wetsuit, wingsuit, yakut, zoot-suit

3 syllables:
absolut, absolute, agradoot, ahuehuete, alaouite, allocute, alumroot, archilute, arrow-root, arrowroot, attribute, auto-mute, autoroute, balsamroot, bamboo shoot, bandicoot, bare-root, bellyfruit, bitterroot, blesbokspruit, blu-108, bodysuit, boilersuit, briarroot, bronkhorstspruit, bumbershoot, calangute, candied fruit, cankerroot, champagne flute, china jute, chocolate root, citrus fruit, clover-root, cloveroot, cold pursuit, colicroot, combat boot, common newt, congress boot, consecute, consolute, constitute, convolute, coralroot, coral root, cornamute, costusroot, countersuit, cowboy boot, crinkle-root, crinkleroot, culver's root, deattribute, demisuit, depollute, desert boot, destitute, detinuit, devolute, disrepute, dissolute, dragonroot, elocute, evolute, execute, feverroot, finger-root, fingerroot, fipple flute, fumeroot, gestifute, gingerroot, give a hoot, hagebutte, hairy root, hanepoot, hessian boot, institute, involute, in dispute, iron boot, kiwifruit, kiwi fruit, konigshutte, libreboot, loserfruit, malamute, malemute, mandrake root, miscompute, misrepute, motorboot, multiboot, obvolute, old world coot, orris-root, orrisroot, overboot, overshoot, papooseroot, parachute, passionfruit, passion fruit, pepernoot, pepper root, peracute, persecute, point-and-shoot, precompute, prosecute, prostitute, pseudosuit, puttyroot, raw recruit, recompute, resalute, resolut, resolute, restitute, retribute, revolut, revolute, revoroot, riding boot, roseroot, rubber boot, sarraute, segelboot, semimute, servitute, shoot-and-scoot, simple fruit, stephen root, subacute, subsecute, substitute, supply route, taro root, therapeut, tinker's root, traceroute, transverse flute, tricornute, trouble-shoot, troubleshoot, tuba root, ubasute, undershoot, undersuit, undilute, vandeputte, vandersloot, watershoot, water chute, wintermute, writerduet, yellowroot, yellow root

4 syllables:
aggregate fruit, bar absolute, basisolute, betuweroute, blueberry root, carry-le-rouet, celery root, circumvolute, crash bandicoot, crystallized fruit, drogue parachute, edible fruit, eia-608, electrocute, forbidden fruit, hardicanute, horseradish root, inuktitut, inuvialuit, irresolute, licorice root, memeshikute, migration route, misattribute, multiple fruit, orangeroot, pacific newt, pale coral root, paracadute, pleurisy root, preconstitute, qallupilluit, rattlesnake root, reconstitute, scammonyroot, semiimute, striped coral root, superacute, supervolute, telecommute, the substitute, unicorn root, unterseeboot, vertical flute, wellington boot

5 syllables:
accessory fruit, american coot, california newt, crested coral root, early coral root, eskimo-aleut, fast inverse square root, golden parachute, house of ill repute, lansa flight 508, spotted coral root

6 syllables:
alaskan malamute, banana passion fruit, florida arrowroot, indian arrowroot, uefa euro 2008

7 syllables:
american arrowroot, jay and silent bob reboot, polytechnic institute