| allied(adjective, collateral, attendant, united, combined) |
| associated(adjective, bound, united, linked, combined) |
| in partnership(expression, adverb, together, united, collectively) |
| related(adjective, bound, collateral, attendant, united) |
| joined(adjective, bound, united, linked, combined) |
| co-operative |
| federated |
| in cahoots |
| in collusion |
| affiliated(adjective, bound, united, linked, combined) |
| arm in arm(expression, idiom, adverb, together, collectively) |
| as one(expression, adverb, together, collectively, accordingly) |
| coincidentally(adverb, together, jointly, collectively, accordingly) |
| combined(adjective, adverb, bound, joint, harmonious) |
| companionably(adverb, together, jointly, collectively, accordingly) |
| concomitantly(adverb, together, jointly, collectively, accordingly) |
| confederate(adjective, bound, united, linked, combined) |
| connectedly(adverb, together, jointly, collectively, accordingly) |
| hand |
| hand in glove(expression, idiom, together, united, collectively) |