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

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