Psalm 57:4
My soul is among lions: and I lie even among them that are set on fire, even the sons of men, whose teeth are spears and arrows, and their tongue a sharp sword.
Torrey's Topical Textbook—AKJV

Psalm 64:3
Who whet their tongue like a sword, and bend their bows to shoot their arrows, even bitter words:
Torrey's Topical Textbook—AKJV

Proverbs 12:18
There is that speaks like the piercings of a sword: but the tongue of the wise is health.
Torrey's Topical Textbook—AKJV