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