Revelation 8:11

The star is called Wormwood (Calamity) (Bitterness): and a third of the waters became wormwood; and many men died from the waters, because they were made bitter.

Jeremiah 9:15

Therefore Jehovah of Hosts, the God of Israel says: 'Behold! I will feed this people with wormwood and give them poisoned water to drink.'

Jeremiah 23:15

This is what Jehovah of Hosts says about the prophets: I will give them wormwood to eat and poison to drink. The prophets of Jerusalem have spread godlessness throughout the land.

Exodus 15:23

When they came to Marah, they could not drink the water because it tasted bitter. That is why the place was called Marah (Bitter Place).

Deuteronomy 29:18

Make sure that no man, woman, family, or tribe standing here today turns from Jehovah our God to serve the gods of other nations. This would be like a root that grows to be a bitter and poisonous plant.

Ruth 1:20

She said: Do not call me Naomi (meaning pleasant). Call me Mara, because the Almighty has made my life bitter.

Proverbs 5:4

But in the end she is bitter as wormwood, sharp as a two edged sword.

Lamentations 3:5

He built a wall against me, shutting me in with hardship and bitter sorrow.

Lamentations 3:19

Remember my trouble and my wandering, the bitterroot and the poison.

Amos 5:7

You who turn justice to wormwood (a curse), and cast righteousness down to the earth

Amos 6:12

Do horses run upon the rock? Will one plow there with cattle? You have turned justice into gall, and the fruit of righteousness into wormwood (bitterness)!

Hebrews 12:15

See that no one misses the grace of God; that no bitter root spring up to cause trouble and defile many.

Revelation 8:7

The first angel blew his trumpet. Hail and fire mixed with blood came down upon the earth. A third of the trees were burned up, and all green grass was burned up.

Treasury of Scripture Knowledge

Summary

And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.

General references

Bible References

Wormwood

Deuteronomy 29:18
Make sure that no man, woman, family, or tribe standing here today turns from Jehovah our God to serve the gods of other nations. This would be like a root that grows to be a bitter and poisonous plant.
Ruth 1:20
She said: Do not call me Naomi (meaning pleasant). Call me Mara, because the Almighty has made my life bitter.
Proverbs 5:4
But in the end she is bitter as wormwood, sharp as a two edged sword.
Jeremiah 9:15
Therefore Jehovah of Hosts, the God of Israel says: 'Behold! I will feed this people with wormwood and give them poisoned water to drink.'
Jeremiah 23:15
This is what Jehovah of Hosts says about the prophets: I will give them wormwood to eat and poison to drink. The prophets of Jerusalem have spread godlessness throughout the land.
Lamentations 3:5
He built a wall against me, shutting me in with hardship and bitter sorrow.
Amos 5:7
You who turn justice to wormwood (a curse), and cast righteousness down to the earth
Amos 6:12
Do horses run upon the rock? Will one plow there with cattle? You have turned justice into gall, and the fruit of righteousness into wormwood (bitterness)!
Hebrews 12:15
See that no one misses the grace of God; that no bitter root spring up to cause trouble and defile many.

Many

Exodus 15:23
When they came to Marah, they could not drink the water because it tasted bitter. That is why the place was called Marah (Bitter Place).

General references

Isaiah 42:15
I will destroy the hills and mountains and dry up the grass and trees. I will turn the river valleys into deserts and dry up the pools of water.