Galatians 1:8

But even if we or an angel from heaven should proclaim a gospel to you contrary to what we proclaimed to you, let him be accursed!

Romans 9:3

For I could wish myself to be accursed from Christ for the sake of my brothers, my fellow countrymen according to the flesh,

1 Corinthians 16:22

If anyone does not love the Lord, let him be accursed. O Lord, come!

2 Corinthians 11:13-14

For such people [are] false apostles, deceitful workers, disguising themselves as apostles of Christ.

Matthew 25:41

Then he will also say to those on [his] left, 'Depart from me, [you] accursed ones, into the eternal fire that has been prepared for the devil and his angels!

Galatians 1:9

As we said before, and now I say again, if anyone is proclaiming a gospel [to] you contrary to what you have received, let him be accursed!

Revelation 22:18-19

I testify to everyone who hears the words of the prophecy of this book: if anyone adds to them, God will add to him the plagues written in this book.

Genesis 9:25

And he said, "Cursed [be] Canaan, a slave of slaves he shall be to his brothers."

Deuteronomy 27:15-26

'Cursed be the man that makes a divine image or a cast image, [which is] a detestable thing for Yahweh, the work of the hand of a skilled craftsman, and [then] sets [it] in a hiding place.' And {all the people shall respond}, 'Amen.'

Joshua 9:23

Therefore you [are] cursed; some of you will always be slaves as woodcutters and water carriers for the house of my God."

1 Samuel 26:19

And so then, please let my lord the king listen to the words of his servant: If Yahweh has incited you against me, may he delight in an offering; but if {it is mortals}, [may] they be accursed {before} Yahweh, for they have driven me away today from sharing in the inheritance of Yahweh, saying, 'Go, serve other gods!'

Nehemiah 13:25

So I quarreled with them and cursed them and beat some of their men and pulled out their hair. I made them take an oath by God: "Do not give your daughters to their sons or take their daughters for your sons or for yourselves.

Mark 14:71

And he began to curse and to swear with an oath, "I do not know this man whom you are talking about!"

Acts 23:14

who went to the chief priests and the elders [and] said, "We have bound ourselves under a curse to partake of nothing until we have killed Paul

1 Corinthians 12:3

Therefore I make known to you that no one speaking by the Spirit of God says, "Jesus [is] accursed," and no one is able to say "Jesus [is] Lord" except by the Holy Spirit.

Galatians 3:10

For as many as are of the works of the law are under a curse, for it is written, "Cursed [is] everyone who does not abide by all [the things] that are written in the book of the law to do them."

Galatians 3:13

Christ redeemed us from the curse of the law [by] becoming a curse for us, because it is written, "Cursed [is] everyone who hangs on a tree,"

1 Timothy 1:19-20

having faith and a good conscience, which some, [because they] have rejected [these], have suffered shipwreck concerning their faith,

Titus 3:10

Reject a divisive person after a first and second admonition,

2 Peter 2:14

having eyes full of [desire for] an adulteress and unceasing from sin, enticing unstable persons, [and] having hearts trained for greediness. Accursed children!

Treasury of Scripture Knowledge

Summary

But though we, or an angel from heaven, preach any other gospel unto you than that which we have preached unto you, let him be accursed.

Bible References

Though

Galatians 1:9
As we said before, and now I say again, if anyone is proclaiming a gospel [to] you contrary to what you have received, let him be accursed!
1 Corinthians 16:22
If anyone does not love the Lord, let him be accursed. O Lord, come!
2 Corinthians 11:13
For such people [are] false apostles, deceitful workers, disguising themselves as apostles of Christ.
1 Timothy 1:19
having faith and a good conscience, which some, [because they] have rejected [these], have suffered shipwreck concerning their faith,
Titus 3:10
Reject a divisive person after a first and second admonition,
Revelation 22:18
I testify to everyone who hears the words of the prophecy of this book: if anyone adds to them, God will add to him the plagues written in this book.

Let

Galatians 3:10
For as many as are of the works of the law are under a curse, for it is written, "Cursed [is] everyone who does not abide by all [the things] that are written in the book of the law to do them."
Genesis 9:25
And he said, "Cursed [be] Canaan, a slave of slaves he shall be to his brothers."
Deuteronomy 27:15
'Cursed be the man that makes a divine image or a cast image, [which is] a detestable thing for Yahweh, the work of the hand of a skilled craftsman, and [then] sets [it] in a hiding place.' And {all the people shall respond}, 'Amen.'
Joshua 9:23
Therefore you [are] cursed; some of you will always be slaves as woodcutters and water carriers for the house of my God."
1 Samuel 26:19
And so then, please let my lord the king listen to the words of his servant: If Yahweh has incited you against me, may he delight in an offering; but if {it is mortals}, [may] they be accursed {before} Yahweh, for they have driven me away today from sharing in the inheritance of Yahweh, saying, 'Go, serve other gods!'
Nehemiah 13:25
So I quarreled with them and cursed them and beat some of their men and pulled out their hair. I made them take an oath by God: "Do not give your daughters to their sons or take their daughters for your sons or for yourselves.
Matthew 25:41
Then he will also say to those on [his] left, 'Depart from me, [you] accursed ones, into the eternal fire that has been prepared for the devil and his angels!
2 Peter 2:14
having eyes full of [desire for] an adulteress and unceasing from sin, enticing unstable persons, [and] having hearts trained for greediness. Accursed children!

General references

Leviticus 15:8
And if the person who discharges spits on [one who is] clean, then that one shall wash is garments, and he shall wash [himself] with water, and he shall be unclean until the evening.
Jeremiah 16:20
Can a human make for himself gods? Yet they [are] not gods!"
1 Corinthians 3:11
For no one is able to lay another foundation than the one which is laid, which is Jesus Christ.