'Killing' in the Bible

Saul and all the army that was with him assembled and marched into battle, where they found the Philistines in total panic killing one another with their swords.

When David returned from killing the Philistine, Abner took him and brought him before Saul with the Philistine’s head still in his hand.

As the troops were coming back, when David was returning from killing the Philistine, the women came out from all the cities of Israel to meet King Saul, singing and dancing with tambourines, with shouts of joy, and with three-stringed instruments.

Now Saul spoke to Jonathan his son and to all his servants about killing David, but Saul's son Jonathan {liked David very much}.

He took his life in his hands when he struck down the Philistine, and the Lord brought about a great victory for all Israel. You saw it and rejoiced, so why would you sin against innocent blood by killing David for no reason?”

Looke, my father, look! The corner of your robe is in my hand. Indeed, by my cutting off the corner of your robe and not killing you, you may know and understand that I have no evil intent or transgression I haven't wronged you, even though you are hunting me to take my life.

and they took captive the women and all who were in it, both small and great, without killing anyone, and carried them off and went their way.