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