| call(noun, verb, alert, indication) |
| horn(noun, alert, caution, signal) |
| tocsin(noun, sound, object, alert) |
| trumpet(alert, caution, signal, warning) |
| blast(alert, caution, signal, warning) |
| nod(mark, light, sign, alert) |
| scream(alert, caution, signal, warning) |
| squeal(alert, caution, signal, warning) |
| flash(mark, light, sign, alert) |
| signaling device(expression, alert, caution, signal) |
| tip off(expression, alert, caution, signal) |
| SOS(alert, caution, signal, warning) |
| clock(alert, caution, signal, warning) |
| drum(alert, caution, signal, warning) |
| flap(alert, caution, signal, warning) |
| scramble(alert, caution, signal, warning) |
| shout(alert, caution, signal, warning) |
| yell(alert, caution, signal, warning) |