Here's what rhymes with knockingoff.
                        
                        
                    
                                cough  scoff  trough  prof  Words that almost rhyme with knockingoff
cause  cos  gauze  was  laws  loss  cross  cloth  clause  wash  boss  doth  pas  pause  garage  jaws  moss  sauce  claws  dos  gloss  loth  mas  moth  toss  mirage  paws  saws  mauve  salve  because  across  draws  massage  barrage  broth  flaws  collage  froth  squash  awash  dross  floes  floss  squaws  suave  swath  applause  montage  straws  arbitrage  camouflage  entourage  withdraws  sabotage  buffaloes  repertoires  tablecloth  golf  scarf  wharf  dwarf