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