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