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