| co-operate(verb, join, group, cooperate, together) |
| colligate |
| combinate(verb, join, group, cooperate, together) |
| compile(verb, compose) |
| composite(adjective, cross, combination, mix, blend) |
| concrete(verb, touch, join, stick, unite) |
| condescend(verb, act together) |
| conjunction(noun, association, set, interest, firm) |
| consolidation(noun, join, combination, connection, link) |
| conspiracy(noun, set, group, combination, association) |
| contribute(verb, help, play, agree, aid) |
| control(verb, act together) |
| converge(verb, meet, reduce, touch, join) |
| corporate trust(noun, expression, idiom) |
| corporation(business, body, group, interest, firm) |
| desegregate(verb, add, accommodate, merge, consolidate) |
| do by(verb, act together) |
| fall all over(verb, act together) |
| firm(business, company, interest, party, corporation) |
| fusion(noun, cross, combination, association, union) |