| accessory(adjective, support, aid, low, spare) |
| ancillary(adjective, support, aid, low, spare) |
| auxiliary(adjective, support, aid, low, spare) |
| adjunct(adjective, auxiliary) |
| subsidiary(adjective, support, aid, low, spare) |
| appurtenant(adjective, support, lower, spare, subject) |
| assistant(adjective, spare, minor, branch, helpful) |
| supportive(adjective, spare, reserve, collateral, subsidiary) |
| collateral(adjective, lower, low, spare, inferior) |
| helpful(adjective, aid, useful, minor, secondary) |
| subservient(adjective, support, aid, low, spare) |
| participative |
| subordinate(adjective, support, lower, spare, subject) |
| concomitant(adjective, subject, subordinate, collateral, additional) |
| instrumental(adjective, useful, secondary) |
| additive |
| adjutant(noun, auxiliary) |
| contributory(adjective, support, low, spare, inferior) |
| helper(noun, auxiliary) |
| helping |