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