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