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