Here's what rhymes with respectuum.
boom tomb doom whom room bloom gloom womb broom groom loom plume zoom rheum entomb assume costume fume suum flume abloom resume consume perfume presume residuum subsume exhume elbowroom legroom boxroom foredoom strongroom Words that almost rhyme with respectuum
tune boon doin dune soon moon noon spoon foon coon prune loon rune attune croon goon spittoon shoon balloon cartoon hewn platoon shewn strewn cocoon toluene aucune baboon buffoon maroon pontoon swoon typhoon bassoon tycoon festoon jejune picayune immune lagoon saloon opportune harpoon raccoon dragoon impugn importune lampoon doubloon patroon poltroon bestrewn racoon macaroon afternoon honeymoon monsoon forenoon inopportune protozoon dessertspoon tablespoon spermatozoon trinitrotoluene