| cagey(adjective, careful, cautious, aware, attentive) |
| champing at the bit(expression, adjective, idiom, concern, keen) |
| chary(adjective, deliberate, alert, careful, thoughtful) |
| chicken(shy, worried, afraid, apprehensive, scared) |
| chickenhearted(shy, worried, afraid, apprehensive, scared) |
| chivalrous(adjective, understanding, kind, friendly, sympathetic) |
| choked(adjective, upset, excited, anxious, nervous) |
| chummy(adjective, good, friendly, loving, cordial) |
| close(adjective, good, friendly, loving, cordial) |
| clubby(adjective, good, friendly, loving, cordial) |
| clutched(adjective, upset, excited, anxious, nervous) |
| cognizant(careful, knowledgeable, cautious, aware, attentive) |
| commiserative(adjective, understanding, kind, gentle, mild) |
| companionable(adjective, good, kind, friendly, cordial) |
| comradely(adjective, good, kind, friendly, loving) |
| concern |
| conciliatory(adjective, good, friendly, mild, agreeable) |
| confiding(adjective, good, friendly, loving, peaceful) |
| conscientious(adjective, deliberate, alert, careful, caring) |
| dear(adjective, kind, friendly, warm, tender) |