cogency

n [U] (of argu-ments, reasons, etc) quality of being convincing; strength （指论据、 道理等的）说服力; 中肯.

coerce, coercion, coercive, coeval, coexist, coexistence, coffee, coffee bar, coffee bean, coffee grinder (also `coffee-mill), coffee shop, coffee tree, coffee-house, coffee-pot, coffee-table, coffer, coffin, cog, cog-railway, cog-wheel, cogent, cogently, cogitate, cogitation, cognac, cognate, cognition, cognitive, cognizance, cognizant, cognoscente, cohabit, cohabitation, cohere, coherence, coherent, coherently, cohesion, cohesive, cohesively,