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