Here's what rhymes with endum.
referendum Words that almost rhyme with endum
engine tendon dentin momentum hempen intention indention distention inattention abstention subvention intervention supervention circumvention contravention nonintervention seldom venom denim arum phenom welcome emblem harem addendum plenum vellum bedlam velum jetsam webcam rectum septum spectrum unwelcome plectrum cerebellum flagellum bubblegum antebellum antiserum interregnum