Words That Rhyme With "Roster" :
2 syllables:
aster, Astor, baster, bester, bister, bistre, blaster, blister, blotter, bluster, boaster, booster, bosker, buster, caster, castor, Chaucer, Chester, cloister, cluster, clyster, coaster, conster, costar, costard, coster, cottar, cotter, Custer, daughter, daystar, dosser, dotter, duster, Easter, ester, Esther, faster, feaster, fester, fluster, foister, fossor, foster, gaster, glister, Gloucester, heister, Hester, hoister, hoster, hotspur, hotter, jester, josser, jotter, juster, klister, knotter, laster, lawter, Leicester, leister, Lester, lister, lobster, lofter, lotter, luster, lustre, master, meister, mister, mobster, monster, mosser, Moster, muster, nester, Nestor, Oscar, ottar, otter, ouster, oxter, oyster, paster, pastor, pester, plaster, plotter, poster, potter, quester, questor, saucer, shyster, sister, slaughter, slotter, softer, songster, spotter, swotter, taster, tester, testor, toaster, tosser, totter, twister, vester, waister, waltzer, waster, water, wester, Worcester, yester, zoster
3 syllables:
adjuster, adjustor, agister, Alastor, arrester, attester, attestor, bimester, cadastre, canaster, combustor, contester, cremaster, cytaster, defroster, delustre, demister, dewater, diaster, digestor, disaster, embosser, enlister, fourposter, garrotter, grandmaster, headmaster, imposter, impostor, investor, Mcmaster, molester, northeaster, northwester, piaster, piastre, pilaster, pinaster, praepostor, remaster, requester, resister, resistor, semester, sequester, sou'wester, southeaster, southwester, subsister, suggester, Sylvester, thermistor, transistor, trimester, uncloister, varistor
4 syllables:
oleaster, overmaster, paternoster, polyester, polyhistor, snollygoster, thioester