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