| cease-fire(noun, agreement, pause, accord, peace) |
| cessation(noun, agreement, pause, accord, harmony) |
| code of behavior(expression, idiom, procedure, etiquette, rules) |
| codicil(noun, understanding, arrangement, approval, contract) |
| coherence(noun, support, agreement, connection, association) |
| collaboration(noun, support, agreement, connection, association) |
| collate |
| collusion(noun, support, agreement, connection, association) |
| combination(noun, support, agreement, connection, association) |
| commission(agreement, arrangement, contract, deal, deed) |
| commitment(agreement, arrangement, contract, deal) |
| communion(noun, support, agreement, connection, association) |
| compromise(noun, understanding, arrangement, approval, contract) |
| conception(noun, contract, transaction) |
| concert(noun, agreement, deal, settlement) |
| conciliation(noun, agreement, harmony, concord, reconciliation) |
| conclusion(charge, agreement, conditions) |
| conditions(charge, agreement) |
| confederacy(noun, support, agreement, connection, association) |
| confederation(noun, support, agreement, connection, association) |