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illumination implication inclination inflammation initiation installation irritation medication meditation navigation nomination plantation proliferation regeneration reservation respiration saturation simulation termination vacation affirmation annexation annihilation aviation causation cessation dilatation elaboration emigration evaporation federation ionization mediation modulation mutation ordination oscillation reformation remuneration vocation affectation allegation alternation appellation augmentation automation bifurcation citation connotation culmination damnation divination donation elongation emulation germination gestation imputation inauguration perforation perspiration recitation revocation sanitation urbanization usurpation vindication visitation population application combination examination formation association conversation cooperation determination legislation observation occupation regulation reputation translation variation activation adaptation calculation conservation correlation cultivation declaration deviation discrimination formulation illustration obligation organisation preservation stimulation acceleration accommodation alienation collaboration confirmation delegation deterioration documentation emancipation estimation hesitation incorporation indignation oxidation penetration propagation quotation recreation relaxation resignation valuation vegetation ventilation vibration accusation affiliation aggregation approbation articulation authorization calibration colonization compilation consolation dedication denomination derivation desolation desperation dissemination dissipation distillation exaggeration expiration fabrication fascination fermentation filtration graduation habitation importation incarnation incubation irradiation modernization optimization polarization probation realisation replication retardation starvation unification validation amputation authentication cancellation castration commendation conformation 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