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