Verses with the word apt in the Old Testament (2 verses):
2 Kings 24:16
And all the men of might, even seven thousand, and craftsmen and smiths a thousand, all that were strong and apt for war, even them the king of Babylon brought captive to Babylon.
1 Chronicles 7:40
All these were the children of Asher, heads of their father's house, choice and mighty men of valour, chief of the princes. And the number throughout the genealogy of them that were apt to the war and to battle was twenty and six thousand men.