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