Strong's Concordance H3979

Gen 22:6  And Abraham took the wood of the burnt offering, and laid it upon Isaac his son; and he took the fire in his hand, and a knifeH3979; and they went both of them together.

Gen 22:10  And Abraham stretched forth his hand, and took the knifeH3979 to slay his son.

Jdg 19:29  ¶ And when he was come into his house, he took a knifeH3979, and laid hold on his concubine, and divided her, together with her bones, into twelve pieces, and sent her into all the coasts of Israel.

Pro 30:14  There is a generation, whose teeth are as swords, and their jaw teeth as knivesH3979, to devour the poor from off the earth, and the needy from among men.