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