| supplementary(adjective, increase, extraordinary, new, spare) |
| auxiliary(adjective, increase, extraordinary, new, spare) |
| additional(adjective, extraordinary, new, spare, fresh) |
| extra(adjective, spare, excess, addition, further) |
| subsidiary(noun, adjective, useful, minor, helpful) |
| accessory(adjective, useful, minor, addition, helpful) |
| secondary(adjective, increase, useful, minor, helpful) |
| ancillary(adjective, extraordinary, new, spare, fresh) |
| adventitious |
| added(adjective, extraordinary, new, spare, fresh) |
| adscititious(adjective, addition, additional) |
| further(adjective, extraordinary, new, spare, fresh) |
| collateral(adjective, useful, minor, helpful, secondary) |
| fresh(adjective, extraordinary, new, spare, special) |
| new(adjective, extraordinary, spare, fresh, special) |
| subordinate(adjective, useful, minor, helpful, secondary) |
| substitute(adjective, extra, alternative, auxiliary, supernumerary) |
| additive(adjective, addition) |
| complementary(adjective, part, agree) |
| more(adjective, adverb, extraordinary, new, spare) |