| camp(noun, organization, meet, group, party) |
| cell(noun, group, party, circle, section) |
| collaboration(noun, support, help, aid, agreement) |
| collection(noun, collection, crew) |
| collusion(noun, support, agreement, connection, association) |
| combo(noun, organization, company, group, society) |
| complement(noun, collection, crew) |
| comradeship(noun, closeness, familiarity, companionship, amity) |
| concurrence(noun, support, help, aid, agreement) |
| conference(noun, group, association, union, grouping) |
| congregation(noun, council) |
| congress(noun, organization, company, society, association) |
| conjugation(noun, join, connection, combine, link) |
| convention(noun, council) |
| copartnership |
| crew(noun, organization, company, body, group) |
| crowd(noun, organization, company, group, connection) |
| fraternization(noun, support, agreement, connection, association) |
| front |
| fusing(noun, combination, union, amalgamation) |