| A | B |
| caustic | able to dissolve or eat away by chemical action |
| caustic | sharp and biting |
| censor | an official who examines works of art for things considered to be immoral or offensive |
| censor | to examine for and remove objectionable material |
| censure | open and strong criticism or disapproval |
| censure | to criticize severely; to disapprove strongly |
| chagrin | irritation; embarrassment or humiliation |
| charlatan | anyone who claims to have skills or knowledge that he or she doesn't possess |
| chronic | continuing over a long period of time |
| circuitous | indirect or roundabout; long winded |
| circumspect | cautious or prudent |
| circumvent | to get around or avoid, especially by trickery or deception |
| clandestine | concealed from view so as to hide one's purpose |