1 syllable:
arres, beurs, blars, blurs, burres, burrs, chirrs, chors, churrs, cires, corrs, durres, ers, firs, fleurs, flirs, fnars, fors, furr's, furrs, furs, furze, her's, hers, herz, heures, jours, jurs, kerze, khmers, khors, kurz, lurz, mers, merz, murres, myrrhs, perz, psers, purrs, scherz, schmerz, schreurs, schurz, shirrs, shors, slurs, spors, spurs, stirs, sturz, thors, thurs, tsars, tzars, whirrs, whirs, wirz, wurz, years, boors, cures, koors, luehrs, luhrs, lures, moore's, moores, moors, muirs, mures, spoor's, spoors, sures, tour's, tours, boars, boers, bores, bors, chores, clore's, cohrs, cores, corps, corps', cours, crores, door's, doors, dores, drawers, dwars, floors, fores, four's, fours, gaurs, gore's, gores, hors, kohrs, mohrs, mor's, morze, oars, ores, poors, pores, pours, roars, roehrs, rohrs, sawrs, scaurs, schorr's, scores, shore's, shores, smores, snores, soars, sores, spores, store's, stores, stores', storrs, storz, tores, vores, war's, wars, wars', warze, whores, zorz

2 syllables:
absturz, amperes, auteurs, chauffeur's, chauffeurs, claqueurs, cockspurs, coiffeurs, concurs, confers, danseurs, defers, demurs, deters, discours, diseurs, fahlerz, farceurs, frondeurs, frotteurs, gepurs, hotspurs, incurs, infers, jongleurs, kaffirs, kafirs, koncerz, larkspurs, liqueurs, longspurs, longueurs, messieurs, moeurs, monsieurs, occurs, plusieurs, poseurs, prefers, primeurs, recurs, refers, seigneurs, transfers, weltschmerz, allures, assures, brochures, coiffures, contours, coutures, detours, doublures, endures, ensures, flexures, gravures, hachures, insures, inures, manures, matures, nervures, obscures, parures, perdures, procures, secures, tonsures, trappures, abhors, acores, adoors, adores, alborz, all-fours, allfours, all fours, amores, arbores, ardours, aurores, azores, backdoors, becor's, bedsores, bellcore's, bezoars, bookstores, cahors, centaur's, centaurs, clangours, claymores, codewars, coldsores, comores, concours, delore's, delors, deplores, downpours, drugstores, encor's, encores, explores, eyesores, foreshores, fossores, ignores, implores, indoors, katorz, lakeshores, languors, mentor's, mentors, moidores, nemours, nucor's, nymwars, oospores, outdoors, outpours, outscores, phosphors, pledgors, pomorze, praetores, quatorze, rancours, raptores, restores, rigours, seashores, secours, sectaurs, senhors, senores, small stores, smoothbores, sophomores, splendours, sporophores, strisores, subfloors, succours, timor's, toystores, trapdoors, uproars, vapours, wherefores, zoospores

3 syllables:
accoucheurs, amateurs, colporteurs, connoisseurs, eisenerz, headhunterz, megaherz, messeigneurs, millefleurs, mittelschmerz, pasticheurs, rapporteurs, reoccurs, restauranteurs, restaurateurs, saboteurs, voyageurs, whisperer's, whisperers, zelooperz, alentours, amanpour's, beladur's, blackamoors, clayton-le-moors, covertures, embouchures, epicures, overtures, reassures, reinsures, sinecures, albacores, ankylosaurs, archosaurs, ascospores, balkan wars, baltimore's, bangalore's, bangalores, battledores, brontosaurs, carnivores, carrefours, centocor's, chest of drawers, chromophores, clamatores, commodore's, commodores, counterbores, dinosaurs, dinozaurs, dracohors, dumbledores, ecuador's, four-by-fours, frugivores, gemitores, grallatores, grzegorz, guarantors, hackamores, herbivores, infowars, insessores, labradors, levatores, macrospores, madrepores, manticores, matadores, megaspores, megastores, micropores, microspores, minotaurs, natatores, omnivores, out-of-doors, out of doors, pescadores, pinafores, piscivores, plesiosaurs, pompadours, pterosaurs, punic wars, rotatores, sagamores, salvador's, semaphores, stegosaurs, stevedores, strepitores, superstores, sycamores, sycomores, tetraspores, traditores, trochophores, troubadours, two-by-fours, underdrawers, underscores, unprofor's, withindoors, withoutdoors, zygospores

4 syllables:
amesoeurs, arbitrageurs, carillonneurs, entrepreneur's, entrepreneurs, francs-tireurs, intrapreneurs, litterateurs, provocateurs, photogravures, rotogravures, chesapeake shores, chlamydospores, chromatophores, ctenophores, detritivores, ichthyocentaurs, ichthyosaurs, insectivores, ionophores, jakovasaurs, kinetochores, laniatores, libertadores, megalosaurs, ommatophores, siderophores, speculatores, spermatophores, teliospores, tyrannosaurs, yugoslav wars

5 syllables:
list of ethnic slurs, basidiospores, greco-persian wars

6 syllables:
san antonio spurs, napoleonic wars

7 syllables:
veterans of foreign wars

8 syllables:
french revolutionary wars

1 syllable:
cares, airs, stairs, shares, chairs, mars, clears, beers, heirs, shears, cheers, ares, squares, cars, gears, pairs, peers, stars, tears, bears, bars, wares, fears, theirs, hairs, ears, car's, fares, gerres, hears, here's, poor's, prayers, r.'s, r.s, scares, scars, sears, smears, star's, there's, wears, where's, year's, years'

2 syllables:
job's tears, hours, fires, least squares, wires, repairs, upstairs, downstairs, affairs, algiers, ours, hires, appears, careers, cigars, compares, declares, frontiers, guitars, inspires, new year's, pig's ears, prepares, requires, tangiers, velours

3 syllables:
rabbit ears, common shares, intra vires, charge d'affaires, in arrears, kick upstairs, stars and bars, pruning shears, unawares, ultra vires, volunteers, preferred shares, baby's tears, baby tears, disappears, down the stairs, engineers, flight of stairs, golden stars, helicteres, in both ears, kick downstairs, millionaires, npr's, pinnotheres, pioneers, put on airs, questionnaires, souvenirs, superstars, to both ears, up the stairs, world affairs

4 syllables:
authorized shares, preference shares, treasury shares, state of affairs, musical chairs, parallel bars, man of affairs, put behind bars

5 syllables:
music of the spheres, ordinary shares, anterior nares, elegant cat's ears, method of least squares, posterior nares, wet behind the ears

7 syllables:
international affairs, master in public affairs

9 syllables:
department of veterans affairs

10 syllables:
secretary of veterans affairs