Strong H5307J נָפַל nâphal · to fall: kill

Exodus

1. Exodus 19:21
   And the Lord said unto Moses, Go down, charge the people, lest they break through unto the Lord to gaze, and many of them perish.
2. Exodus 32:28
   And the children of Levi did according to the word of Moses: and there fell of the people that day about three thousand men.