Here's what rhymes with extol.
                        
                        
                    
                                pole  bowl  poll  stole  toll  dole  bole  boll  tole  dolour  extoll  whole  role  soul  coal  goal  hole  roll  sole  fol  mole  parole  stroll  knoll  shoal  droll  foal  cajole  thole  troll  vole  kohl  prole  skoal  scroll  systole  casserole  condole  maypole  control  patrol  glycerol  enroll  vacuole  petiole  unroll  bedroll  oriole  cubbyhole  rissole  innersole  camisole  beanpole  quadrupole  arteriole  buttonhole  decontrol  pigeonhole  profiterole