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