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