Here's what rhymes with protobacco.
                        
                        
                    
                                tobacco  wacko  Words that almost rhyme with protobacco
barrow  tallow  basso  backhoe  shadow  shallow  piano  facto  macro  fallow  tanto  banjo  harrow  callow  hallow  lasso  tango  mallow  hallo  panto  bandeaux  nacho  canto  fiasco  mango  campo  salvo  matzo  ticktacktoe  gastro  overshadow  quanto  foreshadow  intaglio  scarecrow  gazpacho  commando  fandango  cilantro