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

Words that almost rhyme with ovservation

haven hasten occasion basin evasion invasion persuasion equation

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