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