| agent(supply, replacement, alternative, alternate, backup) |
| agreeing(adjective, like, parallel, consistent, similar) |
| all one(verb, phrasal verb, equality) |
| all the same(expression, idiom, equality) |
| analogy(noun, match, equal, complement, comparison) |
| answering(adjective, consistent, comparable, agreeing, matching) |
| backup(substitute, replacement, alternative, alternate, surrogate) |
| changeling(supply, agent, replacement, alternative, alternate) |
| coextensive(adjective, close, equal, near, adequate) |
| coincident(adjective, equal, parallel, identical, interchangeable) |
| colleague(noun, person, equal, same) |
| commutable(adjective, similar, identical, interchangeable, proportionate) |
| companion(noun, adjective, match, balance, equal) |
| comparative(adjective, close, approximate) |
| comparison(noun, match, equal, complement, counterpart) |
| concordant(adjective, interchangeable, proportionate, homologous, socialistic) |
| consonant(adjective, close, like, equal, near) |
| correlate(noun, like, copy, match, balance) |
| correlation(noun, match, equal, complement, comparison) |
| correspondence(noun, match, equal, complement, comparison) |