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