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