1 syllable:
ares, baars, bar's, barr's, barres, barrs, bars, barz, car's, carr's, carrs, cars, cars', charrs, chars, czar's, czars, far's, gars, gnars, guars, haars, jaars, jars, jmaars, jstars, kaars, kahr's, kahrs, laars, lars, lcars, maars, marres, marrs, mars, mars', marz, mg cars, nars, ours, paars, par's, parrs, pars, r's, r.'s, r.s, sars, scars, spars, staar's, star's, starr's, starrs, stars, stars', starz, star wrs, tahrs, thars, thouars, vars, z-cars

2 syllables:
abars, adars, afars, aldars, all-stars, alvars, amar's, amarres, asars, astars, azhar's, babar's, baibars, balkars, bazaars, bazars, beastars, blazars, boxcars, busbars, chukars, cigars, cigars', cottars, crossbars, crowbars, darkstars, deathstars, debars, denars, devoirs, dinars, disbars, durbars, dzhokhar's, feldspars, fiars, gaidar's, guitars, handcars, hectares, instars, ipars, jabar's, jaguar's, jaguars, jumars, lamar's, lamars, lazars, loadstars, lodestars, magyars, malars, melkar's, memoires, memoirs, minstar's, miroirs, mizar's, myanmar's, nightjars, northstar's, opars, pan-starrs, peignoirs, pieds-noirs, pop/stars, popstars, prankstars, prostars, qintars, racecars, radars, railcars, rebars, renoirs, sambars, sandbars, seskar's, shahar's, shofars, sidebars, sitars, sizars, sonars, streetcars, tbars, techstars, tigar's, tokars, toolbars, tramcars, trocars, unbars, velars, voussoirs, windstar's

3 syllables:
abattoirs, aerostar's, aerostars, alcazars, alpinestars, autocars, avatars, bryanstars, caviares, caviars, cinnabars, cojimar's, counting cars, escobar's, golden stars, handle-bars, handlebars, hekmatyar's, humsafars, isobars, jaguar cars, kosovars, lotus cars, malabars, megastars, metrostars, millibars, minibars, minicars, morningstar's, motorcars, nayanars, npr's, pokerstars, protostars, registrars, reservoirs, ricercars, samovars, scimitars, seminars, sidecars, stars and bars, supercars, superstars, volvo cars, xchocobars

4 syllables:
almogavars, almucantars, parallel bars, put behind bars

5 syllables:
antimacassars, list of largest stars, nebuchadnezzars, rolls-royce motor cars, teleseminars

6 syllables:
afi's 100 years...100 stars, human mission to mars, rupaul's drag race all stars, the fault in our stars, thirty seconds to mars

7 syllables:
list of proper names of stars

1 syllable:
cares, airs, stairs, shares, chairs, clears, beers, heirs, tours, wars, shears, cheers, drawers, squares, gears, corps, pairs, peers, scores, furze, yours, tears, bears, stores, wares, doors, fears, years, ers, theirs, hairs, ears, cures, hers

2 syllables:
job's tears, hours, fires, outdoors, least squares, wires, repairs, upstairs, downstairs, all fours, affairs, algiers, hires, azores

3 syllables:
rabbit ears, out of doors, common shares, intra vires, charge d'affaires, in arrears, kick upstairs, chest of drawers, pruning shears, unawares, ultra vires, volunteers, preferred shares

4 syllables:
authorized shares, preference shares, treasury shares, state of affairs, musical chairs

5 syllables:
music of the spheres, ordinary shares

9 syllables:
department of veterans affairs