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