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