| bounce |
| buoyancy |
| cahoots(support, help, aid, service, assistance) |
| caring(noun, aroused good feelings) |
| chord |
| close relation(noun, expression, understanding, kindness, consideration) |
| coaction(support, help, aid, service, assistance) |
| coadjuvancy(support, help, aid, service, assistance) |
| coalition(support, help, aid, service, assistance) |
| collaboration(support, help, aid, service, assistance) |
| combination(support, help, aid, service, assistance) |
| combined effort(expression, support, help, aid, service) |
| commotion(noun, feeling, love, passion, desire) |
| community of interests(noun, expression, idiom, understanding, sympathy) |
| company(support, help, aid, service, assistance) |
| compliance |
| concert(support, help, aid, service, assistance) |
| concurrence(support, help, aid, service, assistance) |
| condolence(noun, aroused good feelings) |
| confederacy(support, help, aid, service, assistance) |