'War' in the Bible

How are the mighty fallen, and the weapons of war perished!

Now there was long war between the house of Saul and the house of David: but David waxed stronger and stronger, and the house of Saul waxed weaker and weaker.

And it came to pass, while there was war between the house of Saul and the house of David, that Abner made himself strong for the house of Saul.

And when Uriah was come unto him, David demanded of him how Joab did, and how the people did, and how the war prospered.

Then Joab sent and told David all the things concerning the war;

And charged the messenger, saying, When thou hast made an end of telling the matters of the war unto the king,

For, said Hushai, thou knowest thy father and his men, that they be mighty men, and they be chafed in their minds, as a bear robbed of her whelps in the field: and thy father is a man of war, and will not lodge with the people.

Moreover the Philistines had yet war again with Israel; and David went down, and his servants with him, and fought against the Philistines: and David waxed faint.

He teacheth my hands to war; so that a bow of steel is broken by mine arms.