Psalm 140:3

New International Version

³They make their tongues as sharp as^(A) a serpent’s;
the poison of vipers^(B) is on their lips.^[a]

Psalm 140:3 The Hebrew has Selah (a word of uncertain meaning) here and at the end of verses 5 and 8.

Psalm 140:3

King James Version

³They have sharpened their tongues like a serpent; adders' poison is under their lips. Selah.

⁸but no human being can tame the tongue. It is a restless evil, full of deadly poison.^(A)

⁸But the tongue can no man tame; it is an unruly evil, full of deadly poison.

New International Version (NIV)