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nation narration negation aeration elation creation location station migration fixation irrigation notation vacation annexation causation cessation vocation iteration oration dictation legation ligation mitigation vexation education operation relation situation duration immigration indication inflation innovation invitation liberation limitation rotation sensation taxation allocation decoration imitation indignation initiation irritation medication navigation negotiation quotation segregation temptation aggregation animation aviation emigration fabrication ionization litigation maturation mediation moderation mutation signification aberration adoration affectation allegation augmentation bifurcation citation connotation donation gestation inhalation innervation invocation sedation summation information application combination consideration formation generation circulation conversation cooperation corporation foundation integration occupation publication radiation separation variation activation admiration configuration conservation correlation cultivation declaration deviation elevation expectation inspiration isolation motivation obligation organisation salvation violation accommodation agitation alteration aspiration confirmation congregation delegation dissertation domination excitation implication inclination meditation nomination oxidation recreation saturation termination vibration accusation affiliation affirmation annihilation colonization compilation complication consolation dedication dilatation dislocation dissipation elaboration evaporation exaggeration expiration federation filtration graduation humiliation incarnation incubation insulation irradiation modulation oscillation probation realisation toleration veneration appellation automation cancellation castration commendation conciliation confiscation conformation consecration consummation coronation culmination damnation demarcation divination elongation emulation enumeration eradication escalation 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calibration certification civilisation coagulation condensation deliberation derivation desolation desperation dissociation distillation evacuation excavation fascination fermentation fragmentation habitation importation infiltration notification ordination reformation replication socialization starvation unification validation verification adjudication alternation amalgamation amputation authentication capitulation confederation conflagration constellation consternation constipation delineation elucidation exhortation exportation fertilization fluctuation imputation inactivation inoculation interpolation interrogation intimidation magnification masturbation ovulation perspiration perturbation provocation punctuation quantification recitation reclamation urbanization usurpation population concentration explanation interpretation classification determination identification investigation legislation reputation accumulation appreciation differentiation exploitation justification 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