Here's what rhymes with grouter.
tutor router suitor neuter shooter hooter looter rooter tooter pewter scooter cuter muter accoutre accouter commuter polluter recruiter freebooter acuter devouter peashooter refuter computer sixshooter disputer prosecutor persecutor troubleshooter institutor instituter telecommuter microcomputer minicomputer supercomputer Words that almost rhyme with grouter
super suture uber cooper ruder rugger duper nuder whooper lewder future stupor trooper cruder mujer brooder grouper shrewder snooper trouper blooper cuber intruder paratrooper user ruler sooner tumor cooler lunar newer tumour mover rumor rumour sewer booster looser loser rooster cougar lucre tuner boomer chooser ewer wooer euchre boozer chewer huger juicer louver roofer roomer soother booger hoover huller poofter choosier dueller fewer humor humour junior viewer cruiser schooner truer smoother brewer jr remover bloomer bluer reducer bruiser crooner hewer crueler groomer pruner fruitier fuehrer doodler doomster schmoozer consumer producer maneuver reviewer accuser abuser inducer pursuer seducer skewer wrongdoer bugler harpooner traducer tattooer muenster obtuser sprucer sepulchre detrusor diffuser sepulcher evildoer outmaneuver perfumer infuser shampooer impugner revenuer profuser untruer peculiar transducer antitumor semilunar reproducer honeymooner interviewer