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