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