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