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