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