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