| conforming(adjective, close, equal, parallel, consistent) |
| congeneric(adjective, close, like, equal, parallel) |
| congenerous(adjective, close, equal, parallel, similar) |
| congruently |
| congruous(adjective, like, parallel, consistent, uniform) |
| conjointly(together, jointly, collectively, accordingly, harmoniously) |
| connate(adjective, close, like, parallel, similar) |
| connatural(adjective, close, like, parallel, similar) |
| connected(adjective, similar, related, linked, relevant) |
| connectedly(together, jointly, collectively, accordingly, harmoniously) |
| consanguine(adjective, close, like, parallel, similar) |
| consimilar |
| conventional(adjective, neat, tidy, thorough, organized) |
| convertible(adjective, like, equal, parallel, similar) |
| cooperatively(together, jointly, collectively, accordingly, harmoniously) |
| coordinate(adjective, like, equal, balanced, identical) |
| correct(adjective, neat, tidy, thorough, logical) |
| correlated(adjective, similar, linked, relevant, connected) |
| correlative(adjective, like, equal, parallel, consistent) |
| correspondently |