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