Words That Rhyme With "Rouser" :
2 syllables:
beezer, Blaser, blazer, boozer, bowser, browser, buzzer, Caesar, causer, Cesar, cheeser, chooser, closer, cozier, douser, dowser, dozer, dozier, easer, geezer, geyser, Glaser, glazer, gouger, guiser, hawser, houser, kaiser, Keizer, laser, lazar, lazer, loser, Lozier, maser, Mauser, mazer, miser, Moser, mouser, mouther, muser, noser, osier, pleaser, poiser, poser, quasar, quizzer, schmoozer, schnauzer, scissor, Scouser, seizer, seizor, sizar, sizer, sneezer, squeezer, teaser, towser, trouser, tweezer, user, visor, vizor, whizzer, wiser, wowser
3 syllables:
abuser, accuser, adviser, advisor, appeaser, arouser, Belshazzar, carouser, composer, deposer, deviser, devisor, diffuser, disposer, divisor, elisor, excuser, incisor, misfeasor, opposer, proposer, provisor, reviser