| supplement(noun, verb, part, increase, complete) |
| enhance(verb, increase, develop, improve, expand) |
| complete(verb, adjective, form, part, start) |
| addition(noun, increase, match, extra, foil) |
| counterpart(noun, part, thing, connection, guide) |
| crew(noun, company, part, group, piece) |
| add to(verb, expression, phrasal verb, increase, develop) |
| soul mate |
| band(noun, collection, crew, troop, staff) |
| troupe(noun, company, crew, troop, staff) |
| group(noun, part, set, thing, piece) |
| match(noun, verb, set, agree, like) |
| perfect(verb, complete, enhance, add) |
| reciprocal(noun, number, companion, friend, contemporary) |
| annex(noun, increase, extra, addition, adjunct) |
| enhancement(noun, increase, match, extra, addition) |
| accompaniment(noun, part, guide, match, associate) |
| accessory(noun, addition, attachment, supplement, adjunct) |
| addendum(noun, increase, extra, addition, attachment) |
| adjunct(noun, help, increase, extra, addition) |