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preservation restoration sensation stimulation allocation alteration arbitration assimilation celebration decoration delegation destination dissertation domination fixation frustration hesitation imitation irrigation irritation medication meditation navigation notation oxidation penetration plantation proclamation reservation respiration saturation simulation speculation temptation termination vacation valuation accusation affiliation aggregation animation annihilation approbation authorization aviation causation cessation consolation dedication derivation dilatation emigration fascination federation filtration insulation litigation mutation ordination privatization probation reformation retardation validation veneration vocation aberration adoration affectation allegation alternation amputation bifurcation cancellation citation consternation constipation demarcation divination emulation eradication fertilization fibrillation germination gestation interpolation intimation intonation 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importation ionization irradiation maturation mediation mobilization moderation polarization preoccupation ratification realisation replication retaliation socialization specialization stabilization transplantation abbreviation adjudication authentication capitulation conflagration conformation connotation consecration consummation coronation crystallization culmination dehydration delineation deportation deputation deregulation devastation dispensation duplication elongation elucidation exportation fluctuation gravitation imputation innervation inoculation invocation prolongation punctuation rationalization reclamation refutation regurgitation relocation renovation sterilization urbanization utilisation vaccination organization concentration examination cooperation determination investigation participation accumulation demonstration expectation exploitation invitation modification orientation accommodation appropriation confrontation congregation coordination degeneration depreciation 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