| noncompulsory(adjective, casual, useless, extra, worthless) |
| on the side(expression, adjective, idiom, spare, extra) |
| one more(expression, adjective, idiom, preposition, extraordinary) |
| optional(adjective, extraordinary, new, spare, fresh) |
| ornamental(adjective, accompanying) |
| over(adjective, adverb, unusual, strange, spare) |
| over-and-above(adjective, spare, extra, supplementary, added) |
| over and above(verb, expression, adjective, idiom, phrasal verb) |
| padding(adjective, extra, supplementary, added, over-and-above) |
| prefixed(adjective, attached) |
| prodigal(adjective, casual, useless, extra, worthless) |
| raised |
| related(adjective, attached) |
| replacement(noun, adjective, counterfeit, new, spare) |
| replenish |
| reserved |
| rest of(verb, expression, phrasal verb) |
| some other(expression, idiom, preposition, different, other) |
| spliced(adjective, attached) |
| subscripted(adjective, attached) |