| accompaniment(noun, rest, match, balance, extra) |
| addition(noun, rest, match, balance, extra) |
| aggregate(noun, rest, match, balance, extra) |
| augmentation(noun, rest, match, balance, extra) |
| capacity(noun, rest, match, balance, extra) |
| complement(noun, companion, counterpart) |
| completion(noun, rest, match, balance, extra) |
| consummation(noun, rest, match, balance, extra) |
| correlate(noun, rest, match, balance, extra) |
| correlative(noun, rest, match, balance, extra) |
| counterpart(noun, rest, match, balance, extra) |
| enhancement(noun, rest, match, balance, extra) |
| enrichment(noun, rest, match, balance, extra) |
| entirety(noun, rest, match, balance, extra) |
| filler(noun, rest, match, balance, extra) |
| finishing touch(noun, expression, rest, match, balance) |
| makeweight(noun, rest, match, balance, extra) |
| pendant(noun, rest, match, balance, extra) |
| quota(noun, rest, match, balance, extra) |
| remainder(noun, rest, match, balance, extra) |