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