Here's what rhymes with extravasation.
                        
                        
                    
                                nation  observation  station  preservation  salvation  reservation  affirmation  causation  cessation  oscillation  oration  provocation  sedation  summation  aeration  operation  formation  conversation  activation  conservation  elevation  innovation  isolation  realization  revelation  sensation  taxation  violation  agitation  allocation  aspiration  fixation  navigation  oxidation  propagation  vacation  accusation  animation  authorization  aviation  fascination  negation  reformation  starvation  vocation  allegation  appellation  citation  recitation  renovation  revocation  usurpation  ablation  adulation  aggravation  annotation  elation  extrapolation  information  education  relation  situation  application  creation  association  classification  duration  foundation  legislation  location  occupation  presentation  separation  transformation  translation  variation  adaptation  admiration  deviation  inflation  motivation  obligation  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 utilization  ventilation  amplification  annihilation  calibration  certification  civilisation  clarification  colonization  compilation  condensation  dedication  desperation  dilatation  dissipation  dissociation  distillation  elaboration  emigration  evaporation  expiration  fermentation  filtration  graduation  gratification  localization  maturation  mediation  modernization  mutation  optimization  ordination  preoccupation  probation  purification  replication  retardation  socialization  specialization  stabilization  unification  abbreviation  alternation  amputation  calcification  commendation  consecration  constellation  consternation  constipation  coronation  culmination  deputation  dispensation  diversification  duplication  elongation  emulation  exaltation  exhortation  fertilization  fluctuation  immunization  interpolation  intimation  intonation  polymerization  prolongation  rationalization  reclamation  refutation  regurgitation  relocation  reparation  resuscitation  stipulation  subjugation  utilisation  vindication  communication  concentration  consideration  evaluation  integration  publication  calculation  declaration  differentiation  exploitation  exploration  organisation  orientation  appropriation  arbitration  collaboration  computation  condemnation  confrontation  congregation  consolidation  contamination  coordination  degeneration  depreciation  implication  inclination  manifestation  negotiation  penetration  precipitation  regeneration  registration  specification  attenuation  coagulation  complication  deliberation  denomination  dislocation  dissemination  evacuation  exaggeration  experimentation  fabrication  fragmentation  generalization  globalization  importation  incarnation  intoxication  irradiation  mobilization  notification  pronunciation  retaliation  signification  sophistication  subordination  transplantation  adjudication  amalgamation  augmentation  authentication  capitulation  categorization  centralization  conciliation  confederation  conflagration  crystallization  dehydration  delineation  demarcation  denunciation  deportation  deregulation  devaluation  enumeration  exclamation  exportation  fibrillation  implantation  imputation  inactivation  inauguration  inoculation  liquidation  magnetization  magnification  mortification  nationalization  personification  punctuation  refrigeration  renunciation  segmentation  simplification  standardization  synchronization  visualization  identification  investigation  representation  accumulation  configuration  demonstration  discrimination  expectation  characterization  contemplation  deterioration  incorporation  indignation  recommendation  reconciliation  rehabilitation  articulation  humiliation  incubation  infiltration  liberalization  remuneration  reorganization  capitalization  democratization  hospitalization  instrumentation  intensification  interrogation  menstruation  normalization  quantification  repudiation  sedimentation  supplementation  administration  interpretation  implementation  continuation  documentation  manipulation  disintegration  industrialization  multiplication  argumentation  decentralization  excommunication  intimidation  ornamentation  conceptualization  misrepresentation  Words that almost rhyme with extravasation
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