Revelation 8:10 - 11 - The third angel sounded, and a great star fell from the sky, burning like a torch, and it fell on one third of the rivers, and on the springs of the waters. The name of the star is called "Wormwood." One third of the waters became wormwood. Many people died from the waters, because they were made bitter.
Jeremiah 23:15 - Therefore thus says Yahweh of Armies concerning the prophets: Behold, I will feed them with wormwood, and make them drink the water of gall; for from the prophets of Jerusalem ungodliness has gone out into all the land.
Jeremiah 9:15 - therefore thus says Yahweh of Armies, the God of Israel, Behold, I will feed them, even this people, with wormwood, and give them water of gall to drink.
Proverbs 5:4 - But in the end she is as bitter as wormwood, and as sharp as a two-edged sword.
Lamentations 3:19 - Remember my affliction and my misery, the wormwood and the gall.