Here's what rhymes with whale.
                        
                        
                    
                                ail  ale  wail  wale  male  fail  mail  sale  pale  sail  tail  tale  jail  nail  rail  veil  gale  hail  shale  bail  vale  bale  dale  pail  quail  hale  quale  kale  faille  scale  trail  avail  frail  email  stale  assail  snail  flail  bewail  braille  grail  wassail  detail  entail  curtail  inhale  derail  gunwale  unveil  impale  hightail  carrell  prevail  travail  exhale  mainsail  pigtail  topsail  foresail  monorail  taffrail  bobtail  pellmell  lugsail  ponytail  swallowtail  hangnail  fingernail  countervail  martingale  nonpareil  tattletale