| agreement(conjunction, combination, involvement, accompaniment, partnership) |
| amalgamation(noun, connection, crowd, association, union) |
| associate |
| coaction(support, help, aid, service, assistance) |
| coadunation(noun, set, association, union, compound) |
| coalition(noun, support, help, set, aid) |
| coincidence(conjunction, combination, accompaniment, partnership, aggregation) |
| collaboration(conjunction, support, help, aid, service) |
| combined effort(expression, support, help, aid, service) |
| concomitance(conjunction, combination, accompaniment, partnership, aggregation) |
| concurrence(conjunction, support, help, aid, combination) |
| conspiracy(noun, support, aid, service, deceit) |
| correspondence(conjunction, accompaniment, coexistence) |
| fellowship |
| fraternity(business, company, interest, firm) |
| incorporation(connection, relationship, consolidation, takeover, connexion) |
| integration |
| junction |
| responsiveness(support, help, aid, service, assistance) |
| sorority(business, company, interest, firm) |