Here's what rhymes with diffinicioun.
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 impugn attune croon racoon balloon honeymoon lagoon cocoon forenoon toluene aucune baboon harpoon raccoon tycoon festoon jejune spittoon bestrewn macaroon afternoon cartoon platoon opportune pontoon dragoon inopportune importune lampoon doubloon patroon picayune dessertspoon spermatozoon poltroon protozoon tablespoon trinitrotoluene Words that almost rhyme with diffinicioun
whom zoom room assume boom resume tomb doom womb loom fume suum flume rheum bloom gloom presume broom groom plume costume consume perfume residuum subsume abloom entomb foredoom exhume elbowroom legroom boxroom strongroom