Psalm 50:19
You do damage with words, and use your tongue to deceive.
Psalm 10:7
His mouth is full of curses and deceptive, harmful words; his tongue injures and destroys.
Psalm 5:9
For they do not speak the truth; their stomachs are like the place of destruction, their throats like an open grave, their tongues like a steep slope leading into it.
Psalm 12:2-3
People lie to one another; they flatter and deceive.
Psalm 36:3-4
The words he speaks are sinful and deceitful; he does not care about doing what is wise and right.
Psalm 52:2-4
Your tongue carries out your destructive plans; it is as effective as a sharp razor, O deceiver.
Psalm 55:12
Indeed, it is not an enemy who insults me, or else I could bear it; it is not one who hates me who arrogantly taunts me, or else I could hide from him.
Psalm 55:21
His words are as smooth as butter, but he harbors animosity in his heart. His words seem softer than oil, but they are really like sharp swords.
Psalm 64:3-5
They sharpen their tongues like a sword; they aim their arrow, a slanderous charge,
Isaiah 59:3-4
For your hands are stained with blood and your fingers with sin; your lips speak lies, your tongue utters malicious words.
Jeremiah 9:5
One friend deceives another and no one tells the truth. These people have trained themselves to tell lies. They do wrong and are unable to repent.
Hosea 4:2
There is only cursing, lying, murder, stealing, and adultery. They resort to violence and bloodshed.
Romans 3:13-14
"Their throats are open graves, they deceive with their tongues, the poison of asps is under their lips."
James 3:5-9
So too the tongue is a small part of the body, yet it has great pretensions. Think how small a flame sets a huge forest ablaze.
Revelation 21:8
But to the cowards, unbelievers, detestable persons, murderers, the sexually immoral, and those who practice magic spells, idol worshipers, and all those who lie, their place will be in the lake that burns with fire and sulfur. That is the second death."