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