Here's what rhymes with immunitary.
                        
                        
                    
                                bury  dairy  unitary  cherry  berry  tarry  parry  tare  barre  terry  very  vary  marry  fairy  merry  ferry  prairie  wary  hairy  sherry  harry  nary  faerie  wherry  military  literary  sanitary  scary  ternary  luminary  pessary  apiary  equerry  bilberry  nondairy  sectary  missionary  monetary  dietary  cemetery  budgetary  estuary  honorary  planetary  culinary  emissary  funerary  mortuary  obituary  savagery  canary  remarry  tutelary  unwary  aviary  insanitary  dromedary  lapidary  topiary  plagiary  necessary  ordinary  temporary  capillary  commentary  imaginary  monastery  sanctuary  solitary  urinary  adversary  involuntary  judiciary  legendary  maxillary  momentary  pecuniary  visionary  ancillary  dysentery  mercenary  seminary  commissary  itinerary  papillary  sanguinary  statuary  dignitary  unsanitary  bacillary  beriberi  breviary  buffoonery  legionary  nonmilitary  actuary  humeri  elderberry  chokecherry  secondary  secretary  arbitrary  customary  pulmonary  coronary  dictionary  hereditary  stationary  subsidiary  fragmentary  pituitary  tributary  corollary  inflationary  salutary  sedentary  veterinary  apothecary  fiduciary  stationery  cautionary  centenary  epistolary  interplanetary  paramilitary  cassowary  eleemosynary  huckleberry  nonliterary  contemporary  preliminary  unnecessary  evolutionary  beneficiary  disciplinary  proprietary  reactionary  exclusionary  functionary  deflationary  supernumerary  diversionary  recessionary  voluptuary  bicentenary  nonhereditary  uncustomary  revolutionary  vocabulary  discretionary  expansionary  genitourinary  probationary  undersecretary  concessionary  elocutionary  tercentenary  extraordinary  interdisciplinary  confectionery  constabulary  geostationary  multidisciplinary  expeditionary  cardiopulmonary  counterrevolutionary  Words that almost rhyme with immunitary
belly  jelly  deli  telly  allele  smelly  underbelly  vermicelli  barely  petty  penny  jetty  teddy  bevy  jenny  many  heavy  ready  fairly  rarely  steady  semi  deadly  gentry  levy  heady  levee  messy  belfry  deathly  fidgety  pebbly  tempi  testy  breathy  dressy  faery  pesky  kepi  leggy  recce  sedgy  veggie  twenty  healthy  gently  plenty  wealthy  lengthy  densely  fleshy  antennae  carefree  deftly  medley  sentry  sexy  sketchy  sweaty  unsteady  vestry  gayety  hefty  machete  stealthy  tensely  trendy  maidenly  thready  effendi  lefty  wetly  already  directly  especially  scarcely  intensely  freshly  immensely  frenzy  intently  squarely  spaghetti  unfairly  coquetry  fleshly  halfpenny  hostelry  aplenty  libretti  marquetry  adeptly  ineptly  preciously  woodenly  assembly  friendly  correctly  indirectly  expressly  epilepsy  unhealthy  sullenly  confetti  deviancy  penitently  elementary  incorrectly  unfriendly  apoplexy  excellency  grotesquely  sacredly  baronetcy  catalepsy  complexly  narcolepsy  cognoscenti  reassembly  complementary  confusedly  ambivalently  circumspectly  equivalently