coexist

to live together without any problems; to be together in the same time or space

cohesive

sticking together

coincidence

a series of events happening together that although accidental seems to have been planned or arranged

combine

to put 2 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

tp 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