Leviticus 24:16,23
And he that blasphemes the name of the LORD, he shall surely be put to death, and all the congregation shall certainly stone him: as well the stranger, as he that is born in the land, when he blasphemes the name of the Lord, shall be put to death.
Torrey's Topical Textbook—AKJV

Psalm 59:12
For the sin of their mouth and the words of their lips let them even be taken in their pride: and for cursing and lying which they speak.
Torrey's Topical Textbook—AKJV

Psalm 109:17,18
As he loved cursing, so let it come to him: as he delighted not in blessing, so let it be far from him.
Torrey's Topical Textbook—AKJV