| reciprocal(adjective, like, parallel, consistent, number) |
| complemental(adjective, part, agree, filling, correlation) |
| corresponding(adjective, like, parallel, consistent, similar) |
| completing(adjective, opposite, filling, matching, completing) |
| correspondent(adjective, consistent, similar, equivalent, interchangeable) |
| equivalent(adjective, consistent, similar, joint, interchangeable) |
| answering(adjective, consistent, equivalent, comparable, agreeing) |
| mutual(adjective, similar, joint, linked, alternate) |
| correlative(adjective, like, parallel, consistent, joint) |
| parallel(adjective, like, consistent, similar, subordinate) |
| interrelated(adjective, consistent, similar, equivalent, interchangeable) |
| matched(adjective, filling, interrelated, completing) |
| paired(adjective, filling, interrelated, completing) |
| supportive(adjective, spare, auxiliary) |
| auxiliary(adjective, support, spare, extra, subordinate) |
| interconnected(adjective, similar, interchangeable, opposite, proportionate) |
| interdependent(adjective, similar, joint, interchangeable, opposite) |
| participative |
| analogous(adjective, like, parallel, consistent, similar) |
| ancillary(adjective, support, spare, extra, joint) |