Here's what rhymes with nilation.
                        
                        
                    
                                relation  nation  narration  oration  aeration  elation  creation  duration  location  station  inflation  migration  rotation  notation  mediation  negation  inhalation  ablation  dilation  legation  ligation  operation  formation  radiation  variation  deviation  elevation  immigration  innovation  isolation  liberation  realization  salvation  violation  allocation  alteration  imitation  irrigation  irritation  vacation  vibration  animation  annihilation  aviation  causation  cessation  emigration  insulation  maturation  moderation  modulation  mutation  oscillation  probation  realisation  toleration  vocation  aberration  adoration  allegation  appellation  citation  donation  elongation  emulation  hydration  innervation  iteration  relocation  reparation  sedation  summation  ulceration  adulation  information  education  situation  application  generation  corporation  foundation  integration  occupation  preparation  separation  translation  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dissipation  distillation  evaporation  expiration  fabrication  fascination  fermentation  habitation  humiliation  infiltration  mobilization  polarization  replication  abbreviation  affectation  amalgamation  augmentation  bifurcation  commendation  conciliation  conformation  consecration  constellation  consummation  culmination  delineation  deputation  divination  elucidation  eradication  exaltation  exhortation  fibrillation  fluctuation  gravitation  implantation  inoculation  interpolation  interrogation  liquidation  masturbation  menstruation  perspiration  perturbation  provocation  punctuation  reclamation  refutation  stagnation  urbanization  vindication  visitation  organization  concentration  consideration  examination  explanation  interpretation  civilization  determination  presentation  accumulation  calculation  compensation  configuration  demonstration  exploitation  modification  organisation  anticipation  appropriation  condemnation  confrontation  consolidation  contemplation  continuation  coordination  degeneration  depreciation  designation  destination  deterioration  emancipation  manipulation  proclamation  proliferation  registration  speculation  utilization  amplification  assassination  civilisation  coagulation  colonization  condensation  denomination  dissemination  dissociation  evacuation  exaggeration  excavation  generalization  localization  modernization  notification  optimization  preoccupation  ratification  remuneration  socialization  unification  verification  adjudication  authentication  capitulation  confederation  confiscation  conflagration  consternation  constipation  denunciation  deregulation  devaluation  devastation  duplication  exclamation  exportation  fertilization  immunization  inactivation  intimidation  mortification  normalization  prolongation  refrigeration  regurgitation  renunciation  repudiation  resuscitation  segmentation  stipulation  subjugation  utilisation  vaccination  administration  communication  classification  investigation  participation  transformation  differentiation  expectation  implementation  transportation  approximation  contamination  manifestation  precipitation  qualification  recommendation  reconciliation  rehabilitation  articulation  certification  clarification  disintegration  fragmentation  globalization  gratification  intoxication  multiplication  privatization  pronunciation  purification  reorganization  signification  specialization  stabilization  subordination  calcification  centralization  dispensation  extermination  hybridization  magnetization  magnification  nationalization  ornamentation  polymerization  rationalization  sedimentation  simplification  sterilization  synchronization  visualization  identification  representation  discrimination  justification  characterization  documentation  specification  liberalization  sophistication  stratification  transplantation  argumentation  capitalization  categorization  crystallization  democratization  instrumentation  personification  quantification  standardization  supplementation  industrialization  decentralization  diversification  hospitalization  intensification  experimentation  conceptualization  excommunication  misrepresentation  Words that almost rhyme with nilation
haven  basin  hasten  occasion  evasion  equation  invasion  persuasion  laden  layman  laymen  taken  pagan  shaken  bacon  maiden  shaman  patron  awaken  straighten  mistaken  salesman  forsaken  tradesmen  undertaken  statesman  contagion  overtaken