| claustrophobic(adjective, restrictive) |
| close(adjective, select, exclusive) |
| clubby |
| cognate(adjective, collateral, attendant, kindred, congeneric) |
| cognated(adjective, collateral, attendant, kindred, congeneric) |
| conducive(adjective, collateral, subsidiary, subservient, subalternate) |
| confederate |
| confirmatory(adjective, subject, collateral, attendant, subsidiary) |
| congeneric(adjective, collateral, attendant, kindred) |
| conjoint |
| conspiratorial(adjective, collateral, subsidiary, subservient, subalternate) |
| denominational(adjective, collateral, subsidiary, subservient, subalternate) |
| exclusive(adjective, select) |
| for show(expression, adjective, collateral, subsidiary, subservient) |
| in league(expression, adjective, collateral, attendant, kindred) |
| in the same category(expression, adjective, idiom, collateral, attendant) |
| in touch with(expression, adjective, idiom, collateral, attendant) |
| incidental |
| insular(adjective, select, exclusive) |
| interconnected(adjective, collateral, attendant, kindred, congeneric) |