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