| allied(adjective, equal, parallel, consistent, collateral) |
| ancillary(adjective, subject, joint, contemporary, collateral) |
| approximal(adjective, parallel, touching, joined, next) |
| associated with(expression, adjective, joint, contemporary, collateral) |
| associative(adjective, subject, joint, contemporary, collateral) |
| at one(expression, adjective, consistent, similar, harmonious) |
| attendant(adjective, joint, contemporary, collateral, subsidiary) |
| attending |
| back-to-back(adjective, order, time, parallel, continuous) |
| balanced(adjective, level, exact, equal, even) |
| belonging |
| centrolineal(adjective, consistent, similar, harmonious, coming) |
| coequal |
| coeternal |
| coinstantaneous |
| comparable(adjective, level, exact, equal, even) |
| compatible(adjective, equal, parallel, consistent, harmonious) |
| complementary |
| concordant(adjective, subject, joint, contemporary, collateral) |
| confluent(adjective, consistent, harmonious, joined, agreeing) |