3 letters:
b's, b.s, bes, c's, c.s, cds, d's, d.s, e's, e.s, g's, g.s, ids, p's, p.s, pcs, t's, t.s, tvs, v's, v.s, z's

4 letters:
abcs, abts, aziz, b.'s, be's, beas, bees, c.'s, cees, d.'s, deas, dees, deis, dvds, e.'s, ease, fees, g.'s, geez, gies, he's, hees, jees, jeez, keas, kees, keys, leas, lees, li's, mees, meis, neas, nees, neis, p.'s, pc's, peas, pees, reas, rees, reis, ruiz, saez, seas, sees, sies, skis, stds, suvs, t.'s, teas, tees, tt's, tv's, v.'s, vees, vips, yeas, z.'s, zeis

5 letters:
1780s, a.t.s, abc's, afeas, ageis, anees, apc's, ashis, ateas, ateez, azeez, bee's, beese, beliz, bleez, bre-z, breas, brees, c.d.s, c.p.s, cadiz, capiz, chees, crees, d.d.s, dee's, deese, diese, drees, dreis, epees, feaze, feces, feese, feeze, fejes, fleas, flees, fleys, fnese, freas, frees, freis, frese, friis, frise, g.p.s, gee's, geeze, glees, gleys, grees, greis, greiz, grese, hafiz, hcpcs, heese, heeze, jeeze, kee's, keese, key's, keyes, keziz, klees, knees, kreis, lee's, liese, mease, mecds, mores, n.e.s, nceas, ncees, nease, neese, neeze, niese, not3s, ogees, ortiz, oseas, osees, p.p.s, pease, peize, pieze, pleas, plese, preas, prees, preis, quays, riese, riise, s.p.s, sea's, sease, seese, seize, she's, sheas, sieze, skees, spaes, speas, spees, stees, suv's, tease, thees, these, thies, thijs, tikis, treas, trees, tweez, ucles, uveas, vip's, vlees, vries, wease, weese, wiese, wikis, zeese

6 letters:
abeles, afatds, agnese, agrees, arneis, augeas, beebes, belize, bibi's, breese, breeze, briese, c. d.s, camese, ce eas, cheese, cheeze, cotise, creaze, creese, crim3s, curies, dodiis, donees, dreese, emcees, emeses, faries, fliese, frease, freeez, freese, freeze, friese, frieze, fusees, galeas, greeze, griese, hafeez, harees, hyades, kameez, keyes', klee's, kriese, kylies, lapd's, lily's, louise, lycees, magnes, mclees, mcnees, menees, nereis, payees, perdiz, pheese, pistes, pities, please, prease, rameez, ramses, ranees, repris, rf eas, rupees, sarees, screes, sinise, sleaze, sneeze, spease, speese, spiess, sprees, sunnis, talese, tepees, testes, thee's, threes, tmeses, topees, trapez, trease, treese, tutees, tweese, tweeze, uchees, ulee's, unease, urease, wheeze, wiki's

7 letters:
adorees, anamese, andries, annie's, apogees, appease, ascetes, at ease, bailees, bawbees, beebe's, bindeez, bougies, brunjes, burmese, bustees, capri's, casease, chemise, chinese, corvees, cowpeas, culdees, dainese, decrees, defease, defrees, defries, degrees, deioces, delouis, diocese, disease, dongkiz, drawees, dryades, duvrees, eddie's, ehrgeiz, elouise, elysees, esplees, f.r.g.s, farnese, forlese, freeh's, furches, geneses, goanese, goatees, hardees, humvees, idiotes, indices, jaycees, jewries, kenny's, kineses, kirghiz, ladies', lessees, lichees, loanees, log z's, lychees, mallees, maltese, marie's, mcclees, mcgee's, mckee's, mcnease, mentees, milreis, misease, monsees, mortiis, muziris, nemeses, netease, newbies, noobees, parsees, pastizz, pawnees, payee's, peewees, pensees, pollees, puttees, rameses, reprise, rhachis, ricky's, santees, selfies, settees, shinise, siamese, signees, spireas, sptlese, squeeze, stogies, sundays, surtees, teepees, testees, three's, tornese, towhees, trapeze, tyreese, vendees

8 letters:
2degrees, acehnese, achinese, adoptees, advisees, al-jahiz, alienees, amniotes, amputees, analyses, angeles', annamese, aprendiz, artistes, assamese, aufpreis, awardees, b.a.p.s., bab'aziz, balinese, ballades, banshees, binaries, bipennis, bouchees, bradlees, briony's, cambyses, canadese, caribees, celanese, chaldees, damocles, detteles, devotees, dialyses, dioceses, dolmades, dominees, draftees, emphases, enfreeze, escapees, esprit's, esthetes, exequies, footsies, foresees, francies, freebees, fundrise, galilees, garhajis, gee-gees, glenties, grammies, grandees, grantees, hardee's, hawaii's, hercules, higbee's, honorees, humvee's, invitees, isoceles, jacquees, japanese, javanese, jeremy's, jubilees, khirghiz, kirklees, lebanese, legatees, macanese, machetes, madurese, maggie's, manatees, marinese, markey's, marquees, marquise, mcaleese, milanese, mongeese, munchies, nepalese, nestle's, nilgiris, nobodies, nobody's, nominees, novelese, overseas, oversees, parkades, parolees, parties', pekinese, penikese, picotees, pleiades, plenties, powerpcs, proteles, prothese, ramesses, receipes, referees, refreeze, retirees, rwandese, scorsese, scortese, sisamnes, socrates, soonyi's, sorbetes, spatlese, spondees, standees, sudanese, sunday's, t.o.t.s., thirty's, thuggees, timorese, tootsies, trainees, tribades, trochees, trustees, tyrolese, unfreeze, urodeles, vertices, vertrees, vocalese, wannabes, webtrees, weinlese, whoopees

9 letters:
abductees, abdulaziz, absentees, academese, acrobates, actuaries, allottees, anamneses, anneliese, anopheles, antigones, appellees, applebees, arrestees, ashantees, assignees, attendees, axletrees, baytree's, bengalese, britney's, calliopes, camporees, cantonese, caribbees, carneades, catalyses, cherokees, chickpeas, cingalese, cloudbees, conferees, congolese, cypriotes, cytolyses, deportees, designees, detainees, diaereses, disagrees, displease, divorcees, dungarees, enlistees, enrollees, epocrates, euripides, examinees, expellees, expertise, filagrees, filigrees, foreseize, fujianese, greenlees, grindlays, hainanese, hapennies, honeybees, indictees, inductees, internees, isocrates, isosceles, jamborees, jeanlouis, kalkriese, kashmiris, landkreis, larfleeze, licensees, lipolyses, look-sees, maccabees, machabees, manganese, manichees, mar'ashis, matabeles, mcnally's, memories', mentalese, muscogees, muskogees, nepaulese, nominee's, ostracods, outcastes, paralyses, patentees, powerpcs', promisees, protheses, puggarees, puh-leeze, rapparees, referee's, repartees, resignees, retiree's, retirees', returnees, sadducees, sangarees, seabreeze, secondees, selectees, shivarees, shoetrees, sightsees, signories, sinhalese, sweetpeas, taiwanese, tea-trees, thioureas, tonkinese, triskeles, trustee's, trustees', underseas, valkyries, walkyries, wannabees, wedowee's, x-disease

10 letters:
a. b. c.'s, abdul-aziz, addressees, antifreeze, antigone's, antitheses, appendices, applebee's, appointees, appraisees, b. b. c.'s, blankenese, bramalea's, bumblebees, cherokee's, chersonese, chickadees, chickarees, cohabitees, concertise, consignees, crosstrees, dedicatees, deepfreeze, diakineses, diapedeses, dinocrates, discrasies, ectopistes, ehrenpreis, epentheses, federalese, g. o. p.'s, garnishees, grantree's, grevilleas, guarantees, guaranties, guaranty's, headcheese, headlinese, heartsease, humblebees, hydroceles, hydrolyses, hyperboles, hypotheses, johnsonese, journalese, laurentiis, maharanees, matterease, menominees, mercedeses, n.e.r.d.s., n. b. c.'s, neuritides, overfrieze, overplease, philippize, portuguese, potpourris, pot cheese, presentees, r.o.o.t.s., rectoceles, rowntree's, sea breeze, senegalese, seven seas, singhalese, stadtkreis, stingarees, striptease, subindices, symbionese, synaereses, turgutreis, urinalyses, warrantees, xenocrates, yeomanries

11 letters:
americanese, antheropeas, anti-freeze, aposiopeses, apostrophes, arthritides, blue cheese, carpocrates, contractees, corroborees, deep-freeze, deep freeze, doubletrees, eye disease, farm cheese, franchisees, goat cheese, guarantee's, haerlempjes, hamadryades, hand cheese, harpocrates, head-cheese, heteromeles, idiocrasies, ill at ease, indochinese, internetese, knock-knees, kulturkreis, little-ease, millicuries, necropoleis, nephritides, officialese, parageneses, parantheses, parapareses, parentheses, piedmontese, pleuritides, pornocrates, saint-louis, sentinelese, singletrees, spirochetes, superplease, supersedeas, synesthetes, telekineses, tennessee's, tina louise, tin disease, transferees, varicoceles, wage freeze, yavlinski's, yavlinsky's

12 letters:
(parentheses, angiogeneses, archdioceses, bourgeoisies, brick cheese, c.h.o.m.p.s., canterburies, cream cheese, delaurentiis, fibrinolyses, flash-freeze, florida keys, franchisees', fresh breeze, gastraphetes, george-kreis, hemodialyses, heteronereis, hypapophyles, ile-st-louis, indo-chinese, interviewees, israel keyes, jabbawockeez, lagorchestes, light breeze, loco disease, lolo-burmese, lyme disease, marie-louise, mountleigh's, neurogeneses, nintendo 3ds, nitrosoureas, pink disease, quick-freeze, ring disease, rodomontades, skin disease, snickersnees, stereotypies, store cheese, swingletrees, swiss cheese, tastee-freez, telegraphese, teufelskreis, thrombolyses, tuboplasties, whiffletrees, whippletrees, wilt disease

13 letters:
astur-leonese, aujourd'hui's, autocatalyses, bacteriolyses, beerenauslese, black disease, blood disease, bureaucratese, charlatanries, einheitskreis, gentle breeze, gland disease, grated cheese, haemodialyses, heart disease, hypnoanalyses, liver disease, mammaplasties, meta-analyses, microanalyses, organogeneses, palmidactyles, plant disease, pseudomonades, rhinoplasties, rushordertees, sachs disease, self-analyses, serum disease, sino-japanese, string cheese, strong breeze, zhirinovsky's

14 letters:
animal disease, brittney reese, catch some z's, champs-elysees, champs elysees, cheddar cheese, cottage cheese, dita von teese, ferromanganese, glycogenolyses, hard-to-please, hard to please, idiosyncrasies, keratoplasties, kidney disease, mental disease, mephistopheles, narcosyntheses, parrot disease, potato disease, process cheese, psychoanalyses, r.a.m.o.n.e.s., safety squeeze, social disease, weil's disease, with expertise

15 letters:
(in-parentheses, )un-parentheses, american cheese, black eyed peas, cheshire cheese, chincherinchees, chuck e. cheese, crohn's disease, electrodialyses, farmer's cheese, genetic disease, graves' disease, kissing disease, l.i.t.a.n.i.e.s, marek's disease, moderate breeze, suicide squeeze, thelma & louise, thoracoplasties, tympanoplasties, valvuloplasties, vitoria-gasteiz, wasting disease

16 letters:
)end-parentheses, abdominoplasties, bengali-assamese, bright's disease, by small degrees, gladys portugues, go-as-you-please, hansen's disease, mandarin chinese, nanotechnologies, new nintendo 3ds, processed cheese, standard chinese, stockton-on-tees, thornaby-on-tees, venereal disease

17 letters:
(open-parentheses, addison's disease, board of trustees, christmas disease, dutch elm disease, genevieve cortese, glandular disease, hodgkin's disease, inherited disease, newcastle disease

18 letters:
)close-parentheses, autoimmune disease, black lung disease, blue point siamese, congenital disease, contagious disease, deficiency disease, hochsauerlandkreis, infectious disease

19 letters:
alzheimer's disease, cat scratch disease, freedom of the seas, galician-portuguese, hughes h-4 hercules, labours of hercules, macaroni and cheese, parkinson's disease, periodontal disease, respiratory disease

20 letters:
communicable disease, green monkey disease, huntington's disease, inflammatory disease, list of oldest trees, lou gehrig's disease, marble bones disease, neurological disease, symphony of the seas, trockenbeerenauslese

21 letters:
cystic breast disease, legionnaires' disease

22 letters:
cardiovascular disease, gamestop short squeeze, murder of skylar neese

23 letters:
coronary artery disease, happythankyoumoreplease, lockheed c-130 hercules

25 letters:
maple syrup urine disease, siouxsie and the banshees

26 letters:
degenerative joint disease

27 letters:
pelvic inflammatory disease

28 letters:
sexually transmitted disease

37 letters:
chronic obstructive pulmonary disease

7 letters:
agonise

8 letters:
families, family's, galaxies

9 letters:
apennines, fantasies, magazines, tragedies

10 letters:
capacities, casualties, magazine's, malaclemys, strategies

11 letters:
formalities

12 letters:
battlefields

14 letters:
technicalities