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