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