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