| conducive(adjective, helpful, collateral, subsidiary, subservient) |
| accessory(adjective, useful, helpful, collateral, subsidiary) |
| adjunctive(adjective, collateral, subsidiary, subservient, subalternate) |
| adjuvant(adjective, collateral, subsidiary, subservient, subalternate) |
| ancillary(adjective, collateral, subsidiary, subservient, subalternate) |
| appurtenant(adjective, collateral, subsidiary, subservient, subalternate) |
| associated with(expression, adjective, collateral, subsidiary, subservient) |
| associative(adjective, collateral, subsidiary, subservient, subalternate) |
| attendant(adjective, collateral, subsidiary, subservient, subalternate) |
| auxiliary(adjective, collateral, subsidiary, subservient, subalternate) |
| below the mark(expression, adjective, idiom, collateral, subsidiary) |
| cliquish(adjective, collateral, subsidiary, subservient, subalternate) |
| coefficient(adjective, collateral, subsidiary, subservient, subalternate) |
| collateral(adjective, subsidiary, subservient, subalternate, cliquish) |
| concomitant(adjective, collateral, subsidiary, subservient, subalternate) |
| concordant(adjective, collateral, subsidiary, subservient, subalternate) |
| confirmatory(adjective, collateral, subsidiary, subservient, subalternate) |
| conjoined with(expression, adjective, collateral, subsidiary, subservient) |
| conspiratorial(adjective, collateral, subsidiary, subservient, subalternate) |
| coterminous(adjective, collateral, subsidiary, subservient, subalternate) |