Exodus 11:7 And against all the sons of Israel a dog sharpeneth not its tongue, from man even unto beast, so that ye know that Jehovah doth make a separation between the Egyptians and Israel; (YLT)
Job 16:9 He teareth me in his wrath, who hateth me: he gnasheth upon me with his teeth; mine enemy sharpeneth his eyes upon me. (KJV JPS ASV DBY WBS YLT)
Psalms 7:12 If 'one' turn not, His sword he sharpeneth, His bow he hath trodden -- He prepareth it, (YLT)
Proverbs 27:17 Iron sharpeneth iron; so a man sharpeneth the countenance of his friend. (KJV JPS ASV DBY WBS)