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