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