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