Here's what rhymes with aeration.
                        
                        
                    
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urbanization  vaccination  vindication  organization  examination  determination  investigation  participation  calculation  compensation  configuration  demonstration  differentiation  formulation  modification  organisation  appropriation  computation  condemnation  congregation  consultation  continuation  coordination  depreciation  emancipation  incorporation  manifestation  manipulation  precipitation  proclamation  proliferation  recommendation  specification  utilization  certification  clarification  coagulation  colonization  complication  condensation  denomination  evacuation  generalization  localization  mobilization  modernization  notification  optimization  ratification  remuneration  signification  socialization  sophistication  specialization  unification  amalgamation  confiscation  consecration  constellation  consternation  constipation  denunciation  deregulation  devaluation  duplication  fertilization  implantation  inactivation  inoculation  ornamentation  prolongation  renunciation  repudiation  resuscitation  sedimentation  sterilization  utilisation  visualization  administration  communication  concentration  interpretation  classification  identification  representation  transformation  accumulation  discrimination  implementation  justification  transportation  approximation  characterization  confrontation  consolidation  contamination  contemplation  documentation  qualification  reconciliation  rehabilitation  amplification  articulation  disintegration  fragmentation  globalization  gratification  intoxication  liberalization  preoccupation  privatization  pronunciation  purification  stabilization  subordination  argumentation  calcification  categorization  centralization  conflagration  crystallization  extermination  hybridization  magnetization  magnification  mortification  normalization  polymerization  simplification  supplementation  synchronization  multiplication  reorganization  stratification  capitalization  diversification  instrumentation  intensification  nationalization  personification  quantification  rationalization  standardization  experimentation  transplantation  decentralization  democratization  excommunication  hospitalization  conceptualization  misrepresentation  industrialization  Words that almost rhyme with aeration
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