| corresponding(adjective, joint, interchangeable, opposite, proportionate) |
| dovetailed(adjective, correlational) |
| enmeshed(adjective, similar, linked, relevant, connected) |
| equivalent(adjective, joint, interchangeable, opposite, proportionate) |
| fraternal(adjective, similar, linked, relevant, connected) |
| germane(adjective, similar, linked, relevant, connected) |
| given and taken(expression, adjective, idiom, common, public) |
| hand in glove(expression, adjective, idiom, joint, united) |
| harmonious(adjective, joint, united, shared, reciprocal) |
| in league(expression, adjective, joint, collateral, harmonious) |
| in the same category(expression, adjective, idiom, similar, collateral) |
| in touch with(expression, adjective, idiom, similar, collateral) |
| incident(adjective, similar, collateral, attendant, linked) |
| interactive(adjective, correlational) |
| interallied(adjective, involved, touching, united, linked) |
| interclasped(adjective, involved, touching, united, linked) |
| interfused(adjective, involved, touching, united, linked) |
| interlaced(adjective, correlational) |
| interlinked |
| interlocked |