Here's what rhymes with iransubstantiation.
                        
                        
                    
                                nation  mediation  aeration  operation  relation  creation  duration  radiation  station  deviation  aspiration  domination  notation  animation  aviation  maturation  moderation  narration  negation  aberration  adoration  damnation  donation  germination  iteration  oration  perspiration  punctuation  ablation  annotation  dilation  elation  education  situation  combination  generation  determination  location  preparation  separation  translation  variation  activation  adaptation  admiration  indication  inflation  innovation  inspiration  liberation  migration  motivation  rotation  taxation  agitation  allocation  alteration  decoration  imitation  initiation  medication  meditation  nomination  penetration  plantation  saturation  temptation  termination  vacation  vibration  affirmation  annexation  causation  cessation  compilation  desperation  federation  irradiation  modulation  mutation  oscillation  probation  toleration  vocation  allegation  amputation  appellation  automation  castration  citation  connotation  denunciation  fluctuation  gestation  hydration  inhalation  innervation  intimation  intonation  perforation  perturbation  reparation  sanitation  sedation  stagnation  summation  ulceration  abdication  abomination  information  population  application  formation  association  conversation  cooperation  corporation  foundation  imagination  integration  observation  occupation  publication  appreciation  compensation  conservation  cultivation  declaration  differentiation  elevation  immigration  invitation  isolation  limitation  obligation  realization  restoration  salvation  sensation  stimulation  transportation  violation  accommodation  alienation  anticipation  appropriation  arbitration  celebration  computation  condemnation  confirmation  deformation  degeneration  delegation  depreciation  destination  dissertation  estimation  fixation  frustration  implication  indignation  installation  irrigation  irritation  navigation  negotiation  oxidation  propagation  quotation  recreation  respiration  valuation  vegetation  ventilation  accusation  affiliation  aggregation  annihilation  approbation  attenuation  calibration  complication  condensation  consolation  dedication  deliberation  derivation  desolation  dilatation  dissipation  dissociation  distillation  elaboration  emigration  evaporation  expiration  fascination  fermentation  filtration  graduation  habitation  humiliation  importation  insulation  ionization  litigation  optimization  ordination  pronunciation  realisation  retaliation  starvation  validation  veneration  abbreviation  affectation  alternation  augmentation  bifurcation  cancellation  commendation  conformation  constellation  consternation  constipation  consummation  culmination  dehydration  delineation  demarcation  deportation  dispensation  divination  elongation  emulation  enumeration  extermination  imputation  interpolation  invocation  masturbation  provocation  relocation  renovation  renunciation  repudiation  standardization  subjugation  urbanization  vindication  concentration  consideration  examination  circulation  evaluation  legislation  reputation  transformation  correlation  demonstration  exploration  formulation  illustration  justification  modification  orientation  preservation  revelation  acceleration  assimilation  collaboration  congregation  consultation  contamination  contemplation  degradation  designation  deterioration  elimination  emancipation  excitation  hesitation  illumination  inclination  incorporation  inflammation  proclamation  regeneration  registration  relaxation  reservation  segregation  simulation  speculation  amplification  assassination  authorization  certification  colonization  denomination  deprivation  dislocation  dissemination  exaggeration  fabrication  fragmentation  incarnation  incubation  infiltration  mobilization  modernization  notification  polarization  reformation  replication  retardation  subordination  adjudication  authentication  conciliation  confederation  confiscation  consecration  coronation  deputation  devaluation  devastation  duplication  eradication  escalation  fertilization  fibrillation  gravitation  hybridization  implantation  inactivation  inauguration  interrogation  intimidation  magnetization  menstruation  ovulation  polymerization  recitation  revocation  sedimentation  segmentation  stipulation  usurpation  vaccination  visitation  organization  administration  explanation  interpretation  civilization  identification  investigation  participation  presentation  regulation  calculation  discrimination  expectation  exploitation  organisation  approximation  confrontation  consolidation  continuation  coordination  documentation  manifestation  manipulation  precipitation  proliferation  resignation  specification  utilization  articulation  civilisation  coagulation  disintegration  evacuation  excavation  generalization  intoxication  preoccupation  privatization  ratification  remuneration  signification  socialization  sophistication  specialization  stabilization  stratification  transplantation  unification  verification  amalgamation  capitulation  conflagration  deregulation  elucidation  exaltation  exhortation  exportation  immunization  inoculation  liquidation  magnification  mortification  personification  prolongation  quantification  reclamation  refrigeration  refutation  regurgitation  resuscitation  sterilization  supplementation  utilisation  communication  classification  accumulation  configuration  implementation  qualification  recommendation  reconciliation  rehabilitation  globalization  gratification  localization  multiplication  purification  argumentation  calcification  capitalization  categorization  centralization  crystallization  democratization  diversification  exclamation  hospitalization  instrumentation  nationalization  normalization  ornamentation  rationalization  simplification  synchronization  visualization  representation  characterization  clarification  experimentation  industrialization  liberalization  reorganization  decentralization  intensification  conceptualization  excommunication  misrepresentation  Words that almost rhyme with iransubstantiation
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