Here's what rhymes with thousai.
                        
                        
                    
                                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  wai  sty  stye  slier  dry  try  cry  defy  ply  pry  tri  trie  pri  edify  spry  turfy  scurfy  shanghai  apply  supply  thereby  deny  nearby  rely  whereby  hereby  specify  verify  certify  belie  terrify  typify  untie  overlie  vilify  aquae  bonsai  deify  firefly  ossify  vivify  amebae  horrify  stupefy  lanai  scarify  versify  ripply  banzais  overbuy  reply  imply  justify  satisfy  clarify  modify  signify  testify  goodbye  notify  alibi  fortify  nullify  pacify  ratify  rectify  samurai  unify  decry  falsify  pupae  solidify  amoebae  codify  descry  dignify  liquefy  mollify  ramify  acidify  mystify  retry  triply  blowfly  petrify  liquify  overfly  barfly  mummify  prettify  vitrify  speechify  syllabify  yuppify  identify  occupy  stimuli  comply  nuclei  qualify  alkali  classify  simplify  butterfly  glorify  gratify  purify  underlie  alveoli  amplify  diversify  magnify  standby  beautify  lullaby  termini  crucify  mortify  personify  resupply  stratify  stultify  ultrahigh  calcify  misapply  reunify  revivify  beatify  drachmai  gentrify  refortify  dandify  solemnify  intensify  quantify  indemnify  objectify  oversupply  demystify  electrify  emulsify  dissatisfy  hyperbolae  multiply  exemplify  disqualify  oversimplify  detoxify  dragonfly  reclassify  cumuli  declassify  misidentify  preoccupy  transmogrify