| chilliness |
| clandestineness(dark, confidence, silence, secrecy, sedative) |
| clandestinity(dark, confidence, secrecy) |
| confidence(noun, adjective, dark, silence, secrecy) |
| confidentiality(noun, adjective, dark, confidence, silence) |
| costiveness |
| covertness(dark, confidence, silence, mystery, secrecy) |
| coyness(noun, control, restraint, reserve, silence) |
| darkness(noun, adjective, dark, confidence, silence) |
| dead air(expression, calm, quiet, speech, silence) |
| death(calm, quiet, speech, silence, softness) |
| decency(noun, reserve, simplicity, virtue, modesty) |
| delicacy(reserve, simplicity, virtue, modesty, humility) |
| dumbness(calm, quiet, speech, silence, softness) |
| evasion |
| expressionlessness |
| formality(noun, control, restraint, reserve, silence) |
| frigidity |
| furtiveness(dark, confidence, silence, mystery, secrecy) |
| hiding(noun, adjective, dark, confidence, silence) |