| co-occurrent |
| combined(adjective, concurrent) |
| concordant(adjective, like, parallel, consistent, uniform) |
| cooperative(adjective, like-minded, congruent, concurrent, confirmative) |
| coordinate(adjective, joint, subordinate, contemporary, collateral) |
| correlative(adjective, like, parallel, identical, alike) |
| homogeneous(adjective, simple, like, whole, parallel) |
| incident(noun, adjective, joint, subordinate, contemporary) |
| parallel(adjective, like, equal, consistent, uniform) |
| same(adjective, simple, like, equal, whole) |
| synergistic(adjective, contemporary, attendant, connected, associated) |
| atomic(adjective, simple, whole, united) |
| coetaneous |
| cohesive(adjective, simple, whole, united) |
| coterminous(adjective, equal, parallel, similar, joint) |
| elemental(adjective, simple, whole, united) |
| equal(adjective, parallel, identical, equivalent, interchangeable) |
| fundamental(adjective, simple, whole, united) |
| indivisible(adjective, simple, whole, united) |
| intact(adjective, simple, whole, united) |