This is the 593rd most frequent Swedish word.
larm
"Alarm" or "alert."
Here, 'larm' refers to an audible alarm alerting to an event, such as a clock alarm.
Larmet väckte mig mitt i natten.
The alarm woke me up in the middle of the night.
In this sentence, 'larm' signifies a device that detects fire or smoke and produces a sound to notify people.
Brandlarmet gick igång när det började ryka i köket.
The fire alarm went off when it started to smoke in the kitchen.
Here, 'larm' is used to denote an alert or report that something, such as an emergency, has occurred.