Here's what rhymes with dereify.
                        
                        
                    
                                high  thy  vi  hi  shy  sigh  fi  hy  thigh  vie  psi  hai  cy  fy  sy  thei  phi  by  my  why  die  lie  y  buy  fly  sky  guy  tie  bi  bye  chi  dye  nigh  pi  pie  spy  thai  dei  fry  ly  quae  rye  sly  ty  wir  awry  lye  mai  muy  nai  wry  kai  lai  luy  mei  tai  terrify  wai  sty  stye  slier  apply  dry  try  cry  defy  testify  verify  ply  pry  ratify  tri  trie  unify  pri  typify  untie  dignify  edify  ramify  aquae  bonsai  deify  firefly  ossify  spry  amebae  petrify  turfy  lanai  supply  identify  reply  thereby  deny  justify  rely  clarify  hereby  modify  specify  alkali  classify  signify  certify  glorify  gratify  notify  purify  alibi  nullify  pacify  rectify  belie  falsify  lullaby  amoebae  codify  crucify  liquefy  mollify  overlie  vilify  mystify  retry  stultify  calcify  horrify  reunify  liquify  overfly  scarify  scurfy  versify  mummify  prettify  shanghai  vitrify  beatify  ripply  banzais  overbuy  dandify  yuppify  imply  nearby  occupy  satisfy  stimuli  whereby  comply  qualify  simplify  butterfly  goodbye  intensify  underlie  alveoli  amplify  diversify  fortify  magnify  samurai  beautify  decry  indemnify  pupae  solidify  descry  mortify  objectify  personify  resupply  acidify  demystify  stratify  triply  ultrahigh  vivify  blowfly  emulsify  revivify  stupefy  barfly  declassify  drachmai  gentrify  speechify  multiply  nuclei  standby  termini  oversupply  detoxify  dragonfly  electrify  misapply  dissatisfy  hyperbolae  refortify  syllabify  solemnify  exemplify  quantify  disqualify  preoccupy  reclassify  cumuli  misidentify  oversimplify  transmogrify