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