Alarm
a device that makes a loud noise to warn people of danger or to wake someone up
noun
Examples:
• The fire alarm went off in the middle of the night.
• I set my alarm for 6 a.m.
Bestürzung
a feeling of anxiety or worry caused by the awareness of danger
noun
Examples:
• There is growing alarm about the spread of the disease.
• She looked at him with alarm.