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