| collaboration(noun, alliance, affiliation, confederation) |
| colleagueship(noun, alliance, affiliation, collaboration, confederation) |
| collective(noun, board, club, chamber, brotherhood) |
| college(noun, board, club, chamber, brotherhood) |
| combine(noun, board, club, chamber, brotherhood) |
| comity(noun, company, community, brotherhood, camaraderie) |
| commune(noun, board, club, chamber, brotherhood) |
| compassion(noun, company, community, brotherhood, camaraderie) |
| comradery(noun, company, community, brotherhood, camaraderie) |
| comradeship(noun, company, community, brotherhood, camaraderie) |
| concord(noun, company, community, brotherhood, camaraderie) |
| confederacy(noun, board, club, chamber, brotherhood) |
| confederation(noun, alliance, affiliation, collaboration) |
| conformity(noun, association, bearing, affinity, kinship) |
| congress(noun, board, club, chamber, brotherhood) |
| congruity(noun, association, bearing, affinity, kinship) |
| consortium(noun, board, club, chamber, brotherhood) |
| conspiracy(noun, board, club, chamber, brotherhood) |
| cooperation(noun, alliance, affiliation, collaboration, confederation) |
| cooperative(noun, board, club, chamber, brotherhood) |