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