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