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