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

Words that almost rhyme with undernumeration

occasion haven basin hasten invasion evasion equation persuasion

taken pagan shaken awaken bacon laden maiden layman laymen shaman patron mistaken undertaken salesman contagion overtaken straighten statesman forsaken tradesmen