| A | B |
| coexist | to live together without any problems; to be together in the same time or space |
| cohesive | sticking together |
| coincidence | a sequence of events happening together that although accidental seems to be planned or arranged |
| combine | to put two things together |
| commiserate | to feel sorry for someone, something, or a situation; to feel pity; to get together with someone to feel sadness |
| committee | a group of people who meet together to discuss a topic |
| communication | the act of talking with someone and discussing something together |
| community | a place where people live together |
| compare | to put things together to see how they are the same |
| compatible | able to live together and get along; things that can go together without problems |