Passage cross-references.

His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.

Thy tongue deviseth mischiefs; like a sharp razor, working deceitfully. …

The words of his mouth were smoother than butter, but war was in his heart: his words were softer than oil, yet were they drawn swords.

And they will deceive every one his neighbour, and will not speak the truth: they have taught their tongue to speak lies, and weary themselves to commit iniquity.

But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.

For there is no faithfulness in their mouth; their inward part is very wickedness; their throat is an open sepulchre; they flatter with their tongue.

They speak vanity every one with his neighbour: with flattering lips and with a double heart do they speak. …

The words of his mouth are iniquity and deceit: he hath left off to be wise, and to do good. …

For it was not an enemy that reproached me; then I could have borne it: neither was it he that hated me that did magnify himself against me; then I would have hid myself from him:

Who whet their tongue like a sword, and bend their bows to shoot their arrows, even bitter words: …

For your hands are defiled with blood, and your fingers with iniquity; your lips have spoken lies, your tongue hath muttered perverseness. …

By swearing, and lying, and killing, and stealing, and committing adultery, they break out, and blood toucheth blood.

Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips: …

Even so the tongue is a little member, and boasteth great things. Behold, how great a matter a little fire kindleth! …