Psalm 12:2
They speak falsehood everyone with his neighbor. With flattering lip, and with a double heart, they speak.
Psalm 41:6
And if he comes to see [me], he speaks falsehood. His heart gathers iniquity to itself. When he goes abroad, he tells it.
Romans 16:18
For such kind serve not our Lord Jesus Christ, but their own belly. And by their smooth words and elegant speech they deceive the hearts of the naive.
Psalm 10:7
His mouth is full of cursing and deceit and oppression. Under his tongue is mischief and iniquity.
Jeremiah 9:8
Their tongue is a deadly arrow; it speaks deceit. He speaks peaceably to his neighbor with his mouth, but in his heart he lays wait for him.
1 Chronicles 12:33
Of Zebulun, such as were able to go out in the army, who could set the battle in array, with all manner of instruments of war, fifty thousand, and who could order [the battle array, and were] not of double heart.
Psalm 5:9
For there is no faithfulness in their mouth. Their inward part is very wickedness. Their throat is an open sepulcher. With their tongue they {deceive (LXX/NT)}.
Psalm 28:3
Draw me not away with the wicked, and with the workers of iniquity, who speak peace with their neighbors, but mischief is in their hearts.
Psalm 144:8
whose mouth speaks deceit, and whose right hand is a right hand of falsehood.
James 1:8
a double-minded man, unstable in all his ways.
Psalm 36:3-4
The words of his mouth are iniquity and deceit. He has ceased to be wise [and] to do good.
Psalm 38:12
Those also who seek after my life lay snares [for me]. And those who seek my hurt speak mischievous things, and meditate deceits all the day long.
Psalm 52:1-4
Why boast thou thyself in mischief, O mighty man? The loving kindness of God [is] continual.
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 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.
Psalm 62:4
They only consult to thrust him down from his dignity. They delight in lies. They bless with their mouth, but they curse inwardly. Selah.
Psalm 144:11
Rescue me, and deliver me out of the hand of aliens, whose mouth speaks deceit, and whose right hand is a right hand of falsehood.
Proverbs 20:19
He who goes about as a tale-bearer reveals secrets. Therefore do not associate with him who opens wide his lips.
Proverbs 29:5
A man who flatters his neighbor spreads a net for his steps.
Jeremiah 9:2-6
Oh that I had in the wilderness a lodging-place of wayfaring men, that I might leave my people, and go from them! For they are all adulterers, an assembly of treacherous men.
Ezekiel 12:24
For there shall no more be any FALSE vision nor flattering divination within the house of Israel.
1 Thessalonians 2:5
For we came neither in word of flattery (at any time as ye know) nor a pretense of greed (God is witness)