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