| A | B |
| circumvent | (verb) to surround and trap by cleverness |
| commiseration | (noun) sympathy; pity |
| clandestine | (adj) concealed; secret; covert |
| complement | (noun) a complete set; (verb) to make complete |
| commensurate | (adj) in proper proportion |
| congruent | (adj) coinciding exactly; in agreement |
| congenital | (adj) present at birth but not hereditary |
| collusion | (noun) a secret agreement between two or more people for some wrong or deceitful purpose |
| colloquy | (noun) a conversation or conference, usually formal |
| configuration | (noun) shape; outline |
| climactic | (adj) the most intense part of a story |
| coalesce | (verb) to grow together; to merge; to unite |
| coalition | (noun) an alliance; a temporary union |
| comprehensive | (adj) large in scope and content; able to understand fully |
| concomitant | (adj) accompanying; existing or happening at the same time; (noun) an accompaniment |
| conclave | (noun) a confidential or private meeting |
| condiment | (noun) a seasoning used to give food flavor |
| confederation | (noun) a group united in some shared purpose; a league of nations |
| cogitation | (noun) serious thought; meditation |
| collateral | (noun) something used as a security for a loan; (adj) parallel; secondary |