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