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