Here's what rhymes with tetrum.
                        
                        
                    
                                Words that almost rhyme with tetrum
bedlam  arum  jetsam  spectrum  harem  denim  plectrum  seldom  welcome  emblem  rectum  septum  venom  addendum  plenum  vellum  velum  phenom  webcam  momentum  cerebellum  unwelcome  antiserum  flagellum  bubblegum  referendum  antebellum  interregnum