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