1 syllable:
air's, airs, ayer's, ayres, baires, bares, bear's, bears, bears', berres, blair's, blares, bures, care's, cares, chaires, chairs, chares, claire's, dares, errs, eyres, fair's, faires, fairs, fares, feres, flairs, flares, freres, gares, gehres, gerres, glares, h-shares, hair's, hairs, hare's, hares, heirs, jares, jears, kehres, lairs, lares, lehrs, maerz, mairs, mare's, mares, nairs, pairs, pares, pears, phares, prayers, rairs, rares, sayres, scares, sgares, share's, shares, shares', sherr's, snares, spares, squares, stairs, stares, swears, terres, theirs, there's, theres, verres, wares, wears, where's, wheres, xers, .gears, beer's, beers, beers', beerse, beres, biers, blears, briers, cheers, clears, dears, deere's, deers, ears, fears, fiers, fleers, frears, friers, gear's, gears, geres, grier's, hears, here's, heres, hiers, jeers, lear's, lears, leers, meares, mears, meres, mieres, mir's, nears, peers, piers, queers, rears, schweers, sears, sears', sears's, seers, seres, shear's, shears, sheers, siers, smears, sneers, spears, speers, speirs, spheres, stears, steers, sweers, thiers, three rs, tiers, veers, veres, viers, weir's, weirs, wiers, xeres, year's, years, years'

2 syllables:
affair's, affaires, affairs, agares, airfares, armchairs, backstairs, bancshares', bankshares, bewares, broadstairs, broodmares, bugbears, bulgars, caleres, carfares, compares, crosshairs, d'affaires, daffaires, daycares, deckchairs, declares, derrieres, despairs, downstairs, eclairs, ensnares, fanfares, fieldfares, forbears, forebears, forswears, frogwares, frontieres, funfairs, gaiares, healthcare's, highchairs, housewares, impairs, ishares, least-squares, least squares, longhairs, markair's, menieres, moliere's, molieres, mujeres, nightmares, nowheres, outstares, parterres, pierre's, pierres, portieres, prepares, proshares, pushchairs, repairs, software's, somewheres, tenncare's, the heirs, time-shares, timeshares, unwares, upstairs, wheelchairs, adheres, alferes, algiers, ameers, amir's, amirs, appears, arrears, asnieres, baleares, barbiers, bassir's, besmears, careers, cashier's, cashiers, coheirs, coheres, compeers, comperes, debeers, destriers, dog-ears, endears, enspheres, foreseers, frontier's, frontiers, gottscheers, greenbriers, guinier's, hyeres, inheres, john peers, killdeers, lanciers, lightyears, menhirs, mezieres, miears, minquiers, misereres, mishears, new year's, oospheres, osiers, outwears, pamirs, pig's ears, premier's, premieres, premiers, proceres, rentiers, reveres, shakespeare's, shakespeares, shamir's, sightseers, stupefiers, tangiers, tarsiers, tuyeres, unspheres, uprears, valkyrs, veneers, viziers, wazir's, wheatears, zaire's, zaires

3 syllables:
anywheres, armentieres, betashares, billionaires, boutonnieres, charge d'affaires, common shares, cyaxares, delaware's, delawares, doctrinaires, down the stairs, flight of stairs, gemmipares, gondophares, jordanaires, kick downstairs, kick upstairs, legionnaire's, legionnaires, leochares, luminaires, medicare's, metameres, millionaire's, millionaires, overbears, populares, preferred shares, put on airs, questionnaires, regulares, self-affairs, solitaires, sphecotheres, teddybears, thoroughfares, tubinares, unawares, understairs, underwears, up the stairs, usair's, we bare bears, world affairs, auctioneers, balladeers, bandoleers, bandoliers, bathyspheres, belvederes, bioneers, bombardiers, brachypteres, brigadiers, buccaneers, budgeteers, cameleers, cannoneers, carbineers, cavaliers, chanticleers, chevaliers, chocolatiers, comandeers, commandeers, desrosiers, diapirs, disappears, domineers, engineer's, engineers, engineers', etageres, financiers, fusileers, gadgeteers, gazetteers, gondoliers, grenadiers, halberdiers, helicteres, interferes, in arrears, in both ears, junketeers, list of years, loveppears, macropteres, marketeers, microspheres, montgolfiers, muleteers, musketeers, mutineers, overhears, pamphleteers, perseveres, photospheres, pinnotheres, pioneer's, pioneers, pistoleers, planispheres, pleuroderes, pluroderes, presbyters, privateers, profiteers, pruning shears, puppeteers, quinquevirs, rabbitears, rabbit ears, racketeers, reappears, rhizospheres, richard briers, rocketeers, ronald speirs, ruby-spears, scrutineers, sloganeers, sonneteers, souvenirs, stratospheres, summiteers, tears for fears, timnath-heres, to both ears, volunteers, wagoneers, xenogears

4 syllables:
acridotheres, americares, authorized shares, commissionaires, concessionaires, fiduciares, kitchen nightmares, little nightmares, man of affairs, musical chairs, peninsulares, preference shares, state of affairs, treasury shares, boulevardiers, carabineers, charioteers, conventioneers, electioneers, james parnell spears, lammergeiers, magnetospheres, milliamperes

5 syllables:
consumeraffairs, euromobiliare's, infernal affairs, method of least squares, multimillionaires, ordinary shares, the world's billionaires, bioengineers, charleville-mezieres, elegant cat's ears, music of the spheres, tessarakonteres, wet behind the ears

6 syllables:
march of the volunteers, tampa bay buccaneers

7 syllables:
international affairs, master in public affairs

9 syllables:
department of veterans affairs

10 syllables:
secretary of veterans affairs

1 syllable:
bars, tours, stores, doors, wars, ers, scores, stars, furze, yours, drawers, mars, ares, cures, cars, corps, hers, car's, chores, floors, fours, gore's, poor's, r.'s, r.s, scars, shores, slurs, star's, war's

2 syllables:
ours, hours, fires, outdoors, hires, all fours, wires, azores, cigars, explores, guitars, ignores, inspires, occurs, prefers, raptores, refers, requires, small stores, transfers, velours, weltschmerz

3 syllables:
out of doors, intra vires, ultra vires, chest of drawers, stars and bars, balkan wars, golden stars, npr's, out-of-doors, punic wars, superstars, underscores

4 syllables:
parallel bars, entrepreneurs, put behind bars, sincerely yours

5 syllables:
anterior nares, posterior nares

6 syllables:
napoleonic wars

7 syllables:
veterans of foreign wars