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