| SOS(noun, alert, cry, caution, signal) |
| bell(noun, alert, cry, caution, signal) |
| blast(noun, alert, cry, caution, signal) |
| buzzer(noun, alert, cry, caution, signal) |
| call(noun, alert, cry, caution, signal) |
| clock(noun, alert, cry, caution, signal) |
| cry(noun, alert, caution, signal, warning) |
| drum(noun, alert, cry, caution, signal) |
| flap(noun, alert, cry, caution, signal) |
| flash(noun, alert, cry, caution, signal) |
| gong(noun, alert, cry, caution, signal) |
| high sign(noun, expression, alert, cry, caution) |
| horn(noun, alert, cry, caution, signal) |
| nod(noun, alert, cry, caution, signal) |
| scramble(noun, alert, cry, caution, signal) |
| scream(noun, alert, cry, caution, signal) |
| shout(noun, alert, cry, caution, signal) |
| squeal(noun, alert, cry, caution, signal) |
| tip off(noun, expression, alert, cry, caution) |
| tocsin(noun, alert, cry, caution, signal) |