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