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