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