Exodus 23:1,7
You shall not raise a false report: put not your hand with the wicked to be an unrighteous witness.
Nave's Topical Index—AKJV

Leviticus 19:16
You shall not go up and down as a talebearer among your people: neither shall you stand against the blood of your neighbor; I am the LORD.
Nave's Topical Index—AKJV

Psalm 41:5-9
My enemies speak evil of me, When shall he die, and his name perish?
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Matthew 5:11
Blessed are you, when men shall revile you, and persecute you, and shall say all manner of evil against you falsely, for my sake.
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Luke 3:14
And the soldiers likewise demanded of him, saying, And what shall we do? And he said to them, Do violence to no man, neither accuse any falsely; and be content with your wages.
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2 Timothy 3:3
Without natural affection, truce breakers, false accusers, incontinent, fierce, despisers of those that are good,
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1 Peter 4:14
If you be reproached for the name of Christ, happy are you; for the spirit of glory and of God rests on you: on their part he is evil spoken of, but on your part he is glorified.
Nave's Topical Index—AKJV