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