2 verses have
curse
in Edition Clear Qur'an by Talal Itani / Aal-i-Imraan (The Family of Imraan)

3:61And if anyone disputes with you about him, after the knowledge that has come to you, say, “Come, let us call our children and your children, and our women and your women, and ourselves and yourselves, and let us invoke God’s curse on the liars.”

3:87Those—their penalty is that upon them falls the curse of God, and of the angels, and of all mankind.