cohabitation

n.同居

coffee-pot, coffee-table, coffer, coffin, cog, cog-railway, cog-wheel, cogency, cogent, cogently, cogitate, cogitation, cognac, cognate, cognition, cognitive, cognizance, cognizant, cognoscente, cohabit, cohere, coherence, coherent, coherently, cohesion, cohesive, cohesively, cohesiveness, cohort, COI, coif, coiffeur, coiffure, coil, coin, coinage, coincide, coincide with, coincidence, coincident,