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, 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, 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, aufpreis, augeas, azeez, aziz, bailees, banshees, bawbees, baytree's, beebe's, beebes, beliz, belize, bibi's, bindeez, bouchees, bougies, bradlees, britney's, brunjes, burmese, bustees, c.d.s, c.p.s, cadiz, camese, capiz, capri's, casease, cds, chaldees, chemise, chickpeas, chinese, cloudbees, corvees, cotise, cowpeas, crim3s, crosstrees, culdees, curies, d.d.s, dainese, decrees, deep-freeze, deepfreeze, defease, defrees, defries, degrees, diapedeses, displease, dodiis, donees, dongkiz, draftees, drawees, duvrees, eddie's, ehrgeiz, emcees, enfreeze, epees, esplees, esprit's, faries, farnese, feces, fejes, flash-freeze, footsies, foresees, foreseize, forlese, francies, freebees, fundrise, furches, fusees, g.p.s, galeas, gee-gees, george-kreis, glenties, goatees, grammies, grandees, grantees, grantree's, greenlees, grindlays, hafeez, hafiz, 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, lily's, loanees, 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, 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, selfies, settees, shinise, shoetrees, sightsees, signees, sinise, soonyi's, spatlese, spireas, spondees, stadtkreis, standees, stogies, striptease, sunday's, sundays, sunnis, surtees, sweetpeas, 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, webtrees, weinlese, whoopees, wiki's, wikis

3 syllables:
2degrees, 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., bab'aziz, balinese, ballades, bengalese, binaries, bipennis, blankenese, bourgeoisies, bramalea's, briony's, bumblebees, cambyses, camporees, canadese, cantonese, caribbees, caribees, carneades, celanese, cherokee's, cherokees, chersonese, chickadees, chickarees, cingalese, concertise, conferees, congolese, consignees, contractees, 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, federalese, filagrees, filigrees, fnese, franchisees, franchisees', galilees, garhajis, garnishees, geneses, goanese, grevilleas, guarantee's, guarantees, guaranties, guaranty's, hainanese, hapennies, hard-to-please, hawaii's, headlinese, hercules, honeybees, honorees, humblebees, hyades, ile-st-louis, indices, indictees, inductees, internees, invitees, jamborees, japanese, javanese, jeanlouis, jeremy's, johnsonese, journalese, jubilees, kashmiris, kineses, kulturkreis, laurentiis, lebanese, legatees, licensees, little-ease, macanese, maccabees, machabees, machetes, madurese, manatees, manganese, manichees, mar'ashis, marinese, matterease, mcaleese, mcnally's, mecds, memories', mentalese, mercedeses, milanese, muscogees, muskogees, muziris, 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, pleiades, portuguese, potpourris, presentees, promisees, proteles, protheses, puggarees, rameses, rapparees, referee's, referees, repartees, resignees, retiree's, retirees, retirees', returnees, rwandese, sadducees, saint-louis, sangarees, secondees, selectees, shivarees, siamese, signories, singhalese, singletrees, sinhalese, sisamnes, snickersnees, socrates, sorbetes, stds, stingarees, sudanese, superplease, suv's, suvs, swingletrees, t.o.t.s., taiwanese, tastee-freez, tennessee's, teufelskreis, thioureas, timorese, tonkinese, transferees, tribades, triskeles, turgutreis, tyrolese, underseas, valkyries, vertices, vip's, vips, vocalese, walkyries, wannabees, wannabes, warrantees, wedowee's, whiffletrees, whippletrees, 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, bureaucratese, calliopes, canterburies, carpocrates, catalyses, champs-elysees, charlatanries, chincherinchees, cohabitees, corroborees, cypriotes, cytolyses, dedicatees, delaurentiis, diaereses, dialyses, dinocrates, ectopistes, epentheses, epocrates, euripides, examinees, f.r.g.s, fujianese, gastraphetes, go-as-you-please, haerlempjes, harpocrates, hcpcs, hydroceles, hydrolyses, hyperboles, hypotheses, idiotes, indo-chinese, indochinese, internetese, interviewees, isoceles, isocrates, isosceles, jabbawockeez, lagorchestes, lapd's, lipolyses, lolo-burmese, maharanees, mammaplasties, marie-louise, matabeles, menominees, millicuries, necropoleis, nephritides, neuritides, nitrosoureas, officialese, paralyses, parantheses, parentheses, pleuritides, pornocrates, powerpcs, powerpcs', realities, rectoceles, rhinoplasties, rushordertees, senegalese, sentinelese, spirochetes, stockton-on-tees, subindices, supersedeas, symbionese, synaereses, synesthetes, telegraphese, thrombolyses, tuboplasties, urodeles, xenocrates, zhirinovsky's

5 syllables:
(in-parentheses, )close-parentheses, )end-parentheses, )un-parentheses, americanese, aposiopeses, astur-leonese, diakineses, ferromanganese, fibrinolyses, hamadryades, heteromeles, heteronereis, hochsauerlandkreis, hypapophyles, idiocrasies, keratoplasties, mephistopheles, n.e.r.d.s., narcosyntheses, neurogeneses, ostracods, palmidactyles, parageneses, parapareses, 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., glycogenolyses, haemodialyses, happythankyoumoreplease, hemodialyses, hypnoanalyses, idiosyncrasies, meta-analyses, microanalyses, nanotechnologies, organogeneses, psychoanalyses, r.a.m.o.n.e.s., r.o.o.t.s., trockenbeerenauslese, vitoria-gasteiz

7 syllables:
electrodialyses, galician-portuguese

9 syllables:
l.i.t.a.n.i.e.s