| bottleneck |
| boycott |
| centralization(noun, agreement, combination, accord, compound) |
| channel(noun, connection, element, association, tie) |
| circle(noun, organization, company, set, group) |
| clan(noun, organization, company, group, society) |
| clique(noun, organization, business, company, set) |
| club(noun, organization, business, company, set) |
| coadunation(noun, set, agreement, combination, association) |
| coherence(noun, join, connection, combine, link) |
| collaboration(conjunction, accompaniment, coexistence) |
| collocation(noun, join, connection, combine, link) |
| coming together(noun, expression, agreement, combination, accord) |
| commixture(noun, agreement, combination, accord, compound) |
| company(noun, organization, business, interest, firm) |
| complication(noun, mess, tangle, predicament, liaison) |
| component(noun, connection, element, association, tie) |
| composition |
| compound(noun, set, agreement, combination, association) |
| comradeship |