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