1 syllable:
1780s, b's, b.'s, b.s, be's, beas, bee's, bees, beese, bes, bleez, bre-z, breas, brees, breese, breeze, briese, c's, c.'s, c.s, cees, ce eas, chees, cheese, cheeze, creaze, crees, creese, d's, d.'s, d.s, deas, dee's, dees, deese, deis, diese, drees, dreese, dreis, e's, e.'s, e.s, ease, feaze, fees, feese, feeze, fleas, flees, fleys, fliese, freas, frease, freeez, freeh's, frees, freese, freeze, freis, frese, friese, frieze, friis, frise, g's, g.'s, g.s, gee's, geez, geeze, gies, glees, gleys, grees, greeze, greis, greiz, grese, griese, he's, hees, heese, heeze, jees, jeez, jeeze, keas, kee's, kees, keese, key's, keyes, keyes', keys, klee's, klees, knees, kreis, kriese, leas, lee's, lees, li's, liese, mease, mees, meis, nceas, ncees, neas, nease, nees, neese, neeze, neis, niese, p's, p.'s, p.s, peas, pease, pees, peize, pheese, pieze, pleas, please, plese, preas, prease, prees, preis, quays, reas, rees, reis, rf eas, riese, riise, saez, screes, sea's, seas, sease, sees, seese, seize, she's, sheas, sies, sieze, skees, skis, sleaze, sneeze, spaes, speas, spease, spees, speese, spiess, sprees, sptlese, squeeze, stees, t's, t.'s, t.s, teas, tease, tees, thee's, thees, these, thies, thijs, three's, threes, treas, trease, trees, treese, tweese, tweez, tweeze, v's, v.'s, v.s, vees, vlees, vries, wease, weese, wheeze, wiese, yeas, z's, z.'s, zeese, zeis

2 syllables:
a.t.s, afeas, ageis, agnese, agrees, andries, anees, annie's, appease, arneis, ashis, ateas, ateez, at ease, aufpreis, augeas, azeez, aziz, bailees, banshees, bawbees, baytree's, beebe's, beebes, beliz, belize, bibi's, bindeez, blue cheese, bouchees, bougies, bradlees, brick cheese, britney's, brunjes, burmese, bustees, c.d.s, c.p.s, c. d.s, cadiz, camese, capiz, capri's, casease, chaldees, chemise, chickpeas, chinese, cloudbees, corvees, cotise, cowpeas, cream cheese, crim3s, crosstrees, culdees, curies, d.d.s, dainese, decrees, deep-freeze, deepfreeze, deep freeze, defease, defrees, defries, degrees, diapedeses, disease, displease, dodiis, donees, dongkiz, draftees, drawees, duvrees, eddie's, ehrgeiz, emcees, enfreeze, epees, esplees, esprit's, faries, farm cheese, farnese, feces, fejes, flash-freeze, footsies, foresees, foreseize, forlese, francies, freebees, fresh breeze, fundrise, furches, fusees, g.p.s, galeas, gee-gees, george-kreis, glenties, goatees, goat cheese, grammies, grandees, grantees, grantree's, greenlees, grindlays, hafeez, hafiz, hand cheese, hardee's, hardees, harees, head-cheese, headcheese, heartsease, higbee's, humvee's, humvees, ids, jacquees, jaycees, jewries, kalkriese, kameez, kenny's, keziz, khirghiz, kirghiz, kirklees, knock-knees, kylies, ladies', landkreis, larfleeze, lessees, lichees, light breeze, lily's, loanees, log z's, look-sees, louise, lycees, lychees, maggie's, magnes, mallees, maltese, marie's, markey's, marquees, marquise, mcclees, mcgee's, mckee's, mclees, mcnease, mcnees, menees, mentees, milreis, misease, mongeese, monsees, mores, mortiis, mountleigh's, munchies, n.e.s, nereis, nestle's, netease, newbies, noobees, ogees, ortiz, oseas, osees, p.p.s, parsees, parties', pastizz, pawnees, payee's, payees, pc's, pcs, peewees, pensees, perdiz, pistes, pities, plenties, pollees, pot cheese, prothese, puh-leeze, puttees, quick-freeze, rameez, ramesses, ramses, ranees, receipes, refreeze, repris, reprise, rhachis, ricky's, rowntree's, ruiz, rupees, s.p.s, santees, sarees, scorsese, scortese, seabreeze, sea breeze, selfies, settees, shinise, shoetrees, sightsees, signees, sinise, soonyi's, spatlese, spireas, spondees, stadtkreis, standees, stogies, store cheese, string cheese, striptease, strong breeze, sunday's, sundays, sunnis, surtees, sweetpeas, swiss cheese, talese, tea-trees, teepees, tepees, testees, testes, thirty's, thuggees, tikis, tmeses, tootsies, topees, tornese, towhees, trainees, trapez, trapeze, trochees, trustee's, trustees, trustees', tt's, tutees, tv's, tvs, tyreese, uchees, ucles, ulee's, unease, unfreeze, urease, uveas, vendees, vertrees, wage freeze, webtrees, weinlese, whoopees, wiki's, wikis

3 syllables:
2degrees, a. b. c.'s, abc's, abcs, abductees, abeles, absentees, abts, acehnese, achinese, addressees, adoptees, adorees, advisees, al-jahiz, allottees, amputees, anamese, angeles', annamese, anneliese, anti-freeze, antifreeze, apc's, apogees, appellees, applebee's, applebees, appointees, appraisees, aprendiz, arrestees, artistes, ascetes, ashantees, assamese, assignees, attendees, aujourd'hui's, awardees, axletrees, b.a.p.s., b. b. c.'s, bab'aziz, balinese, ballades, bengalese, binaries, bipennis, black disease, black eyed peas, blankenese, blood disease, bourgeoisies, bramalea's, bright's disease, briony's, brittney reese, bumblebees, cambyses, camporees, canadese, cantonese, caribbees, caribees, carneades, catch some z's, celanese, cheddar cheese, cherokee's, cherokees, chersonese, cheshire cheese, chickadees, chickarees, chuck e. cheese, cingalese, concertise, conferees, congolese, consignees, contractees, cottage cheese, crohn's disease, damocles, deioces, delouis, deportees, designees, detainees, detteles, devotees, diocese, dioceses, disagrees, discrasies, divorcees, dolmades, dominees, doubletrees, dryades, dungarees, dvds, ehrenpreis, einheitskreis, elouise, elysees, emeses, emphases, enlistees, enrollees, escapees, esthetes, exequies, expellees, expertise, eye disease, farmer's cheese, federalese, filagrees, filigrees, fnese, franchisees, franchisees', g. o. p.'s, galilees, garhajis, garnishees, geneses, gentle breeze, gland disease, goanese, grated cheese, graves' disease, grevilleas, guarantee's, guarantees, guaranties, guaranty's, hainanese, hapennies, hard-to-please, hard to please, hawaii's, headlinese, heart disease, hercules, honeybees, honorees, humblebees, hyades, ile-st-louis, ill at ease, indices, indictees, inductees, internees, invitees, israel keyes, jamborees, japanese, javanese, jeanlouis, jeremy's, johnsonese, journalese, jubilees, kashmiris, kineses, kulturkreis, laurentiis, lebanese, legatees, licensees, little-ease, lyme disease, macanese, maccabees, machabees, machetes, madurese, manatees, manganese, manichees, mar'ashis, marinese, matterease, mcaleese, mcnally's, mecds, memories', mentalese, mercedeses, milanese, muscogees, muskogees, muziris, n. b. c.'s, nemeses, nepalese, nepaulese, nilgiris, nobodies, nobody's, nominee's, nominees, not3s, novelese, outcastes, overfrieze, overplease, overseas, oversees, parkades, parolees, patentees, pekinese, penikese, philippize, picotees, piedmontese, pink disease, plant disease, pleiades, portuguese, potpourris, presentees, processed cheese, process cheese, promisees, proteles, protheses, puggarees, rameses, rapparees, referee's, referees, repartees, resignees, retiree's, retirees, retirees', returnees, ring disease, rwandese, sachs disease, sadducees, safety squeeze, saint-louis, sangarees, secondees, selectees, seven seas, shivarees, siamese, signories, singhalese, singletrees, sinhalese, sisamnes, skin disease, snickersnees, socrates, sorbetes, stds, stingarees, sudanese, superplease, suv's, suvs, swingletrees, t.o.t.s., taiwanese, tastee-freez, tennessee's, teufelskreis, thioureas, timorese, tin disease, tonkinese, transferees, tribades, triskeles, turgutreis, tyrolese, underseas, valkyries, vertices, vip's, vips, vocalese, walkyries, wannabees, wannabes, warrantees, wedowee's, weil's disease, whiffletrees, whippletrees, wilt disease, x-disease, yavlinski's, yavlinsky's, yeomanries

4 syllables:
(parentheses, abdul-aziz, abdulaziz, academese, acrobates, actuaries, afatds, alienees, amniotes, analyses, anamneses, anopheles, antheropeas, antigone's, antigones, antitheses, apostrophes, appendices, archdioceses, arthritides, beerenauslese, black lung disease, board of trustees, bureaucratese, by small degrees, calliopes, canterburies, carpocrates, catalyses, cat scratch disease, champs-elysees, champs elysees, charlatanries, chincherinchees, christmas disease, cohabitees, corroborees, cypriotes, cytolyses, dedicatees, delaurentiis, diaereses, dialyses, dinocrates, dita von teese, dutch elm disease, ectopistes, epentheses, epocrates, euripides, examinees, f.r.g.s, florida keys, fujianese, gamestop short squeeze, gastraphetes, go-as-you-please, haerlempjes, hansen's disease, harpocrates, hcpcs, hodgkin's disease, hydroceles, hydrolyses, hyperboles, hypotheses, idiotes, indo-chinese, indochinese, internetese, interviewees, isoceles, isocrates, isosceles, jabbawockeez, kidney disease, kissing disease, lagorchestes, lapd's, lipolyses, liver disease, loco disease, lolo-burmese, maharanees, mammaplasties, marek's disease, marie-louise, matabeles, menominees, mental disease, millicuries, moderate breeze, necropoleis, nephritides, neuritides, nitrosoureas, officialese, paralyses, parantheses, parentheses, parrot disease, pleuritides, pornocrates, powerpcs, powerpcs', realities, rectoceles, rhinoplasties, rushordertees, senegalese, sentinelese, serum disease, social disease, spirochetes, standard chinese, stockton-on-tees, subindices, suicide squeeze, supersedeas, symbionese, synaereses, synesthetes, telegraphese, thelma & louise, thrombolyses, tina louise, tuboplasties, urodeles, wasting disease, with expertise, xenocrates, zhirinovsky's

5 syllables:
(in-parentheses, )close-parentheses, )end-parentheses, )un-parentheses, addison's disease, alzheimer's disease, americanese, american cheese, animal disease, aposiopeses, astur-leonese, autoimmune disease, blue point siamese, contagious disease, cystic breast disease, diakineses, ferromanganese, fibrinolyses, freedom of the seas, genetic disease, genevieve cortese, gladys portugues, glandular disease, green monkey disease, hamadryades, heteromeles, heteronereis, hochsauerlandkreis, hughes h-4 hercules, huntington's disease, hypapophyles, idiocrasies, infectious disease, keratoplasties, legionnaires' disease, list of oldest trees, lou gehrig's disease, mandarin chinese, marble bones disease, mephistopheles, n.e.r.d.s., narcosyntheses, neurogeneses, newcastle disease, nintendo 3ds, ostracods, palmidactyles, parageneses, parapareses, parkinson's disease, potato disease, pseudomonades, rodomontades, self-analyses, sino-japanese, stereotypies, telekineses, thoracoplasties, thornaby-on-tees, tympanoplasties, urinalyses, valvuloplasties, varicoceles

6 syllables:
(open-parentheses, abdominoplasties, angiogeneses, autocatalyses, bacteriolyses, bengali-assamese, c.h.o.m.p.s., congenital disease, deficiency disease, glycogenolyses, haemodialyses, happythankyoumoreplease, hemodialyses, hypnoanalyses, idiosyncrasies, inherited disease, labours of hercules, macaroni and cheese, meta-analyses, microanalyses, murder of skylar neese, nanotechnologies, new nintendo 3ds, organogeneses, psychoanalyses, r.a.m.o.n.e.s., r.o.o.t.s., siouxsie and the banshees, symphony of the seas, trockenbeerenauslese, venereal disease, vitoria-gasteiz

7 syllables:
communicable disease, electrodialyses, galician-portuguese, inflammatory disease, neurological disease, periodontal disease, respiratory disease

8 syllables:
cardiovascular disease, degenerative joint disease, lockheed c-130 hercules, maple syrup urine disease

9 syllables:
coronary artery disease, l.i.t.a.n.i.e.s, pelvic inflammatory disease, sexually transmitted disease

11 syllables:
chronic obstructive pulmonary disease