12 A worthless person, a man of iniquity, is he who walks with a perverse mouth,
Proverbs 6:12 Cross References - WEB
1 Samuel 17:28
28 Eliab his oldest brother heard when he spoke to the men; and Eliab’s anger burned against David, and he said, “Why have you come down? With whom have you left those few sheep in the wilderness? I know your pride, and the naughtiness of your heart; for you have come down that you might see the battle.”
Psalms 10:3
3 For the wicked boasts of his heart’s cravings. He blesses the greedy and condemns Yahweh.
Psalms 10:7
7 His mouth is full of cursing, deceit, and oppression. Under his tongue is mischief and iniquity.
Psalms 36:3
3 The words of his mouth are iniquity and deceit. He has ceased to be wise and to do good.
Psalms 52:2-4
Psalms 59:7
7 Behold, they spew with their mouth. Swords are in their lips, “For”, they say, “who hears us?”
Psalms 73:8-9
Proverbs 2:12
12 to deliver you from the way of evil, from the men who speak perverse things,
Proverbs 4:24
24 Put away from yourself a perverse mouth. Put corrupt lips far from you.
Proverbs 6:14
14 in whose heart is perverseness, who devises evil continually, who always sows discord.
Proverbs 8:13
13 The fear of Yahweh is to hate evil. I hate pride, arrogance, the evil way, and the perverse mouth.
Proverbs 11:6
6 The righteousness of the upright shall deliver them, but the unfaithful will be trapped by evil desires.
Proverbs 16:27
27 A worthless man devises mischief. His speech is like a scorching fire.
Proverbs 17:4
4 An evildoer heeds wicked lips. A liar gives ear to a mischievous tongue.
Jeremiah 24:2
2 One basket had very good figs, like the figs that are first-ripe; and the other basket had very bad figs, which could not be eaten, they were so bad.
Jeremiah 24:8-10
8 “‘As the bad figs, which can’t be eaten, they are so bad,’ surely Yahweh says, ‘So I will give up Zedekiah the king of Judah, and his princes, and the remnant of Jerusalem, who remain in this land, and those who dwell in the land of Egypt.
9 I will even give them up to be tossed back and forth among all the kingdoms of the earth for evil; to be a reproach and a proverb, a taunt and a curse, in all places where I will drive them.
10 I will send the sword, the famine, and the pestilence, among them, until they are consumed from off the land that I gave to them and to their fathers.’”
Matthew 12:34
34 You offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.
Acts 20:30
30 Men will arise from among your own selves, speaking perverse things, to draw away the disciples after them.
1 Timothy 5:13
13 Besides, they also learn to be idle, going about from house to house. Not only idle, but also gossips and busybodies, saying things which they ought not.
Titus 1:10-11
James 1:21
21 Therefore, putting away all filthiness and overflowing of wickedness, receive with humility the implanted word, which is able to save your souls.
James 3:6
6 And the tongue is a fire. The world of iniquity among our members is the tongue, which defiles the whole body, and sets on fire the course of nature, and is set on fire by Gehenna.