| numerator(noun, number, mathematics) |
| obverse(noun, reproduction, copy, counterfeit, spare) |
| prime |
| quotient(noun, number, mathematics) |
| reciprocatory(adjective, similar, joint, alternate, shared) |
| related(adjective, like, common, qualified, parallel) |
| retributive |
| synergetic(adjective, joint, harmonious, united, shared) |
| synergic(adjective, joint, harmonious, united, shared) |
| alter ego(noun, expression, companion, friend, contemporary) |
| analogous(adjective, like, equal, qualified, parallel) |
| answering(adjective, consistent, equivalent, comparable, agreeing) |
| associated(adjective, common, qualified, similar, joint) |
| coacting(joint, harmonious, united, shared, unified) |
| coactive(joint, harmonious, united, shared, unified) |
| coadjuvant(joint, harmonious, united, shared, unified) |
| collusive(joint, harmonious, united, shared, unified) |
| combined(joint, harmonious, united, shared, unified) |
| complemental |
| converse |