Here's what rhymes with capitalallocation.
                        
                        
                    
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irritation  medication  nomination  notation  oxidation  plantation  proclamation  quotation  recreation  reservation  resignation  segregation  valuation  annexation  aviation  calibration  cessation  complication  dedication  derivation  dilatation  emigration  fabrication  fascination  habitation  modulation  mutation  narration  ordination  probation  ratification  realisation  reformation  toleration  aberration  adoration  affectation  alternation  amputation  automation  bifurcation  citation  connotation  coronation  culmination  damnation  donation  duplication  elongation  emulation  fluctuation  germination  inhalation  invocation  iteration  ovulation  perturbation  recitation  reclamation  renovation  reparation  sanitation  stagnation  subjugation  usurpation  information  organization  situation  combination  formation  generation  association  classification  conversation  cooperation  corporation  determination  evaluation  foundation  imagination  integration  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moderation  multiplication  polarization  preoccupation  purification  retaliation  retardation  starvation  subordination  unification  veneration  verification  adjudication  amalgamation  authentication  calcification  cancellation  castration  commendation  confiscation  conflagration  conformation  consecration  consummation  demarcation  deputation  deregulation  devaluation  divination  elucidation  escalation  gestation  gravitation  hydration  imputation  innervation  inoculation  interpolation  interrogation  intimation  intonation  liquidation  masturbation  mortification  perforation  personification  perspiration  polymerization  prolongation  punctuation  refutation  regurgitation  sterilization  urbanization  vaccination  vindication  visitation  communication  examination  explanation  presentation  transformation  accumulation  appreciation  compensation  exploration  inspiration  invitation  organisation  stimulation  transportation  acceleration  anticipation  appropriation  assimilation  collaboration  condemnation  confrontation  consolidation  consultation  coordination  deformation  destination  deterioration  emancipation  indignation  initiation  installation  negotiation  penetration  proliferation  regeneration  speculation  ventilation  attenuation  condensation  deliberation  denomination  desperation  dissemination  dissipation  distillation  evaporation  exaggeration  excavation  fragmentation  incarnation  incubation  intoxication  mobilization  modernization  notification  optimization  remuneration  specialization  stabilization  stratification  abbreviation  argumentation  augmentation  categorization  constellation  consternation  constipation  delineation  denunciation  deportation  devastation  diversification  enumeration  exaltation  exclamation  exhortation  fertilization  fibrillation  immunization  implantation  inauguration  magnification  normalization  refrigeration  renunciation  repudiation  resuscitation  stipulation  utilisation  concentration  consideration  interpretation  civilization  identification  investigation  representation  configuration  discrimination  expectation  exploitation  characterization  contamination  contemplation  degeneration  depreciation  documentation  incorporation  manifestation  manipulation  recommendation  registration  rehabilitation  specification  civilisation  disintegration  dissociation  generalization  globalization  humiliation  importation  infiltration  liberalization  privatization  pronunciation  reorganization  signification  socialization  sophistication  transplantation  capitalization  capitulation  conciliation  confederation  crystallization  dehydration  democratization  dispensation  exportation  extermination  hybridization  inactivation  magnetization  nationalization  ornamentation  quantification  rationalization  segmentation  simplification  supplementation  visualization  administration  demonstration  differentiation  implementation  continuation  precipitation  reconciliation  centralization  excommunication  hospitalization  intensification  intimidation  menstruation  sedimentation  standardization  synchronization  experimentation  industrialization  decentralization  instrumentation  conceptualization  misrepresentation  Words that almost rhyme with capitalallocation
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