'Slayeth' in the Bible

And also, thou hast known that which he did to me -- Joab son of Zeruiah -- that which he did to two heads of the hosts of Israel, to Abner son of Ner, and to Amasa son of Jether -- that he slayeth them, and maketh the blood of war in peace, and putteth the blood of war in his girdle, that is on his loins, and in his sandals that are on his feet;

and Jehovah hath turned back his blood on his own head, who hath fallen on two men more righteous and better than he, and slayeth them with the sword, -- and my father David knew not -- Abner son of Ner, head of the host of Israel, and Amasa son of Jether, head of the host of Judah;