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elation nation narration oration aeration relation creation duration location station inflation rotation irrigation irritation causation cessation inhalation iteration ablation coloration deflation dilation legation operation situation formation corporation radiation variation correlation declaration deviation elevation immigration innovation isolation liberation migration salvation sensation taxation violation allocation alteration decoration deformation fixation imitation notation quotation speculation temptation vacation vibration affiliation aviation desolation dilatation dissipation elaboration filtration insulation irradiation mutation negation oscillation probation realisation toleration vocation aberration adoration allegation appellation castration citation coronation dehydration demarcation deportation donation escalation fibrillation gestation hydration innervation reparation sedation stagnation summation ulceration information education population application generation circulation cooperation evaluation foundation integration occupation preparation publication regulation separation translation activation admiration cultivation exploration illustration indication inspiration invitation limitation obligation realization restoration revelation stimulation acceleration agitation alienation arbitration aspiration assimilation celebration collaboration degradation delegation deterioration dissertation domination elimination excitation frustration illumination implication inclination inflammation initiation installation oxidation penetration plantation recreation reservation respiration saturation simulation termination valuation ventilation accusation affirmation aggregation animation annexation annihilation approbation calibration compilation consolation dedication deliberation derivation desperation dislocation distillation emigration evaporation expiration fabrication federation graduation humiliation importation incarnation incubation litigation maturation mediation moderation modulation ordination reformation retaliation retardation starvation validation veneration affectation alternation augmentation automation bifurcation cancellation capitulation conciliation connotation culmination damnation delineation deregulation divination elongation elucidation emulation enumeration eradication exaltation exhortation fertilization fluctuation germination gravitation imputation inauguration interpolation intimation intonation invocation liquidation ovulation perforation perspiration perturbation punctuation recitation relocation renovation revocation stipulation usurpation visitation combination consideration explanation association civilization conversation imagination legislation observation reputation adaptation appreciation calculation configuration conservation expectation exploitation formulation motivation organisation orientation preservation accommodation appropriation computation confirmation congregation consultation continuation coordination degeneration depreciation designation destination estimation hesitation incorporation indignation medication meditation navigation negotiation nomination proclamation proliferation propagation regeneration registration relaxation resignation segregation specification vegetation articulation attenuation authorization certification civilisation coagulation colonization complication deprivation dissociation evacuation exaggeration excavation fascination fermentation habitation infiltration ionization localization polarization preoccupation remuneration replication socialization specialization stabilization abbreviation adjudication amputation categorization commendation conformation consecration constellation consummation deputation devaluation devastation duplication exclamation exportation immunization implantation inactivation inoculation interrogation intimidation provocation reclamation refrigeration refutation repudiation sanitation sterilization 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