King James Bible Dictionary

ACCUSA'TION, noun

1. The act of charging with a crime or offense; the act of accusing of any wrong or injustice.

2. The charge of an offense or crime; or the declaration containing the charge.

They set over his head his accusation Matthew 27:37.

General references
Exodus 23:1; Exodus 23:7; Leviticus 19:16; Psalms 41:5-9; Matthew 5:11; Luke 3:14; 2 Timothy 3:3; 1 Peter 4:14
Conspiracy; Evidence; False Witness; Persecution; Speaking, Evil; Talebearer

Incidents illustrative of false accusation:

Against Joseph by Potiphar's wife
Genesis 39:7-20

Against Joseph's brethren by Joseph
Genesis 42:9-14

Against Moses by Korah
Numbers 16:3; Numbers 16:13

Against the prophet Ahimelech by Saul
1 Samuel 22:11-16

Against Abner by Joab
2 Samuel 3:24-27

Against David by the princes of Ammon
2 Samuel 10:3

Against Elijah by Ahab
1 Kings 18:17-18

Against Naboth by Jezebel
1 Kings 21:10; 1 Kings 21:13

Against Jews, returned under Ezra
Ezra 4:6-16; Nehemiah 6:6-8

Against Jeremiah
Jeremiah 26:8; Jeremiah 26:11; Jeremiah 37:13-14; Jeremiah 43:2-3

Against Amos
Amos 7:10-11

Against Mary
Matthew 1:19

Against Jesus
Matthew 9:34; Matthew 10:25; Matthew 12:2-14; Matthew 26:59-61; Mark 3:22; Mark 14:53-65; Luke 23:2; John 18:30

Against Stephen
Acts 6:11; Acts 6:13

Against Paul
Acts 17:7; Acts 21:28; Acts 24:5-6; Acts 24:13; Acts 25:2; Acts 25:7; Romans 3:8

Against Paul and Silas
Acts 16:20-21

Satan falsely accuses Job
Job 1:9-10; Job 2:4-5