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