| coextending(adjective, parallel, next, coterminous, aligned) |
| coextensive(adjective, parallel, next, coterminous, aligned) |
| coming together(expression, adjective, coterminous, confronting, centrolineal) |
| concurrent(adjective, coterminous, confronting, centrolineal) |
| conferring(adjective, coterminous, confronting, centrolineal) |
| confluent(adjective, coterminous, confronting, centrolineal) |
| confronting(adjective, coterminous, centrolineal) |
| consentient(adjective, coterminous, confronting, centrolineal) |
| contactual(adjective, coterminous, confronting, centrolineal, close-at-hand) |
| convergent(adjective, coterminous, confronting, centrolineal) |
| coordinate(adjective, aligned) |
| cutting-edge |
| deadlocked(adverb, head-to-head) |
| ending at(expression, adjective, coterminous, confronting, centrolineal) |
| equidistant(adjective, aligned) |
| extending equally(expression, adjective, parallel, next, coterminous) |
| going to(expression, adjective, coterminous, confronting, centrolineal) |
| going up to(expression, adjective, idiom, coterminous, confronting) |
| head-to-head |
| in agreement(expression, adverb, head-to-head) |