| agnate(adjective, like, copy, equal, parallel) |
| associate |
| collateral(adjective, like, parallel, identical, alike) |
| commensurate(adjective, equal, similar, balanced, identical) |
| commutual(adjective, interchangeable, opposite, proportionate, homologous) |
| comparable(adjective, like, fair, equal, parallel) |
| consanguine(adjective, relational) |
| correlation |
| dependent(adjective, relational) |
| fellow(noun, adjective, like, copy, equal) |
| interdependent(adjective, common, joint, organized, public) |
| like(noun, adjective, copy, equal, parallel) |
| matching(adjective, like, fair, parallel, consistent) |
| obverse(noun, like, copy, equal, tally) |
| proportional(adjective, equivalent) |
| relevant(adjective, organized, interchangeable, proportionate, homologous) |
| tally(noun, like, copy, equal, equivalent) |
| twin(noun, adjective, like, copy, equal) |
| Doppelganger(noun, like, copy, equal, tally) |
| accessory |