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