Words That Rhyme With "Roister" :
2 syllables:
aster, Astor, baster, bester, bister, bistre, blaster, blister, bluster, boaster, booster, buster, caster, castor, Chester, choicer, cloister, cluster, clyster, coaster, costar, coster, Custer, daystar, deuser, duster, Easter, ester, Esther, faster, feaster, fester, fluster, foister, foster, gaster, glister, Gloucester, goiter, goitre, heister, Hester, hoister, hoster, jester, juster, klister, laster, Leicester, leister, Lester, lister, loiter, luster, lustre, master, meister, mister, Moster, muster, nester, Nestor, ouster, oyster, paster, pastor, pester, plaster, poster, quester, questor, royster, shyster, sister, taster, tester, testor, toaster, toystore, twister, vester, voicer, waister, waster, wester, Worcester, yester, zoster
3 syllables:
adjuster, adjustor, agister, Alastor, arrester, attester, attestor, bimester, cadastre, canaster, combustor, contester, cremaster, cytaster, delustre, demister, diaster, digestor, disaster, enlister, exploiter, fourposter, 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, reconnoiter, reconnoitre, thioester