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