Here's what rhymes with iupa.
pupa stupa Words that almost rhyme with iupa
tuba doodah scuba barracuda supra tuna ua hua summa tua hula puma duenna chukka sutra pukka louvre lacuna helluva bazooka beluga fistula macula vicuna satsuma appaloosa manoeuvre scrofula hallelujah outmanoeuvre incunabula