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