Psalm 50:19
"You give your mouth to evil. Your tongue frames deceit.
Psalm 10:7
His mouth is full of cursing, deceit, and oppression. Under his tongue is mischief and iniquity.
Psalm 5:9
For there is no faithfulness in their mouth. Their heart is destruction. Their throat is an open tomb. They flatter with their tongue.
Psalm 12:2-3
Everyone lies to his neighbor. They speak with flattering lips, and with a double heart.
Psalm 36:3-4
The words of his mouth are iniquity and deceit. He has ceased to be wise and to do good.
Psalm 52:2-4
Your tongue plots destruction, like a sharp razor, working deceitfully.
Psalm 55:12
For it was not an enemy who insulted me, then I could have endured it. Neither was it he who hated me who raised himself up against me, then I would have hidden myself from him.
Psalm 55:21
His mouth was smooth as butter, but his heart was war. His words were softer than oil, yet they were drawn swords.
Psalm 64:3-5
who sharpen their tongue like a sword, and aim their arrows, deadly words,
Isaiah 59:3-4
For your hands are defiled with blood, and your fingers with iniquity; your lips have spoken lies, your tongue mutters wickedness.
Jeremiah 9:5
They will deceive everyone his neighbor, and will not speak the truth: they have taught their tongue to speak lies; they weary themselves to commit iniquity.
Hosea 4:2
There is cursing, lying, murder, stealing, and committing adultery; they break boundaries, and bloodshed causes bloodshed.
Romans 3:13-14
"Their throat is an open tomb. With their tongues they have used deceit." "The poison of vipers is under their lips;"
James 3:5-9
So the tongue is also a little member, and boasts great things. See how a small fire can spread to a large forest!
Revelation 21:8
But for the cowardly, unbelieving, sinners, abominable, murderers, sexually immoral, sorcerers, idolaters, and all liars, their part is in the lake that burns with fire and sulfur, which is the second death."