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', sherr's, snares, spares, squares, stairs, stares, swears, tears, terres, theirs, there's, theres, verres, wares, wears, where's, wheres, xers

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, 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, time-shares, timeshares, unwares, upstairs, wheelchairs

3 syllables:
anywheres, armentieres, betashares, billionaires, boutonnieres, cyaxares, delaware's, delawares, doctrinaires, gemmipares, gondophares, jordanaires, legionnaire's, legionnaires, leochares, luminaires, medicare's, metameres, millionaire's, millionaires, overbears, populares, questionnaires, regulares, self-affairs, solitaires, sphecotheres, teddybears, thoroughfares, tubinares, unawares, understairs, underwears, usair's

4 syllables:
acridotheres, americares, commissionaires, concessionaires, fiduciares, peninsulares

5 syllables:
consumeraffairs, euromobiliare's, multimillionaires

1 syllable:
bars, tours, stores, doors, fears, ers, peers, wars, years, scores, stars, shears, cheers, yours, furze, drawers, ears, mars, ares, clears, beers, cures, cars, gears, corps, hers, car's, chores, floors, fours, gore's, hears, here's, poor's, r.'s, r.s, scars, sears, shores, slurs, smears, star's, war's, year's, years'

2 syllables:
ours, hours, fires, outdoors, hires, algiers, wires, azores, appears, careers, cigars, explores, frontiers, guitars, ignores, inspires, occurs, prefers, raptores, refers, requires, tangiers, transfers, velours, weltschmerz

3 syllables:
volunteers, disappears, engineers, helicteres, npr's, out-of-doors, pinnotheres, pioneers, souvenirs, superstars, underscores

4 syllables:
entrepreneurs