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