Psalm 50:20

Thou sittest and speakest against thy brother, yea and slanderest thine own mother's son.

Matthew 10:21

The brother shall betray the brother to death, and the father the son: and the children shall arise against their fathers, and mothers, and shall put them to death,

Leviticus 19:16

"'Thou shalt not go up and down a privy accuser among thy people, neither shalt thou help to shed the blood of thy neighbour: I am the LORD.

Psalm 31:18

Let the lying lips be put to silence, which cruelly, disdainfully, and despitefully speak against the righteous.

Proverbs 10:18

He that hideth hatred with lying lips, and he that speaketh slander, is a fool.

Matthew 5:11

Blessed are ye when men shall revile you, and persecute you, and shall falsely say all manner of evil sayings against you for my sake.

Luke 22:65

And many other things despitefully said they against him.

1 Timothy 3:11

Even so must their wives be honest, not evil speakers: but sober, and faithful in all things.

Titus 2:3

And the elder women likewise that they be in such raiment as becometh holiness, not false accusers, not given to much drinking, but teachers of honest things,

Revelation 12:10

And I heard a loud voice saying, "In heaven is now made salvation and strength, and the kingdom of our God, and the power of his Christ: For he is cast down which accused them before God day and night:

Treasury of Scripture Knowledge

Summary

Thou sittest and speakest against thy brother; thou slanderest thine own mother's son.

Thine own

Bible References

Speakest

Psalm 31:18
Let the lying lips be put to silence, which cruelly, disdainfully, and despitefully speak against the righteous.
Matthew 5:11
Blessed are ye when men shall revile you, and persecute you, and shall falsely say all manner of evil sayings against you for my sake.
Luke 22:65
And many other things despitefully said they against him.

Slanderest

Leviticus 19:16
"'Thou shalt not go up and down a privy accuser among thy people, neither shalt thou help to shed the blood of thy neighbour: I am the LORD.
Proverbs 10:18
He that hideth hatred with lying lips, and he that speaketh slander, is a fool.
1 Timothy 3:11
Even so must their wives be honest, not evil speakers: but sober, and faithful in all things.
Titus 2:3
And the elder women likewise that they be in such raiment as becometh holiness, not false accusers, not given to much drinking, but teachers of honest things,
Revelation 12:10
And I heard a loud voice saying, "In heaven is now made salvation and strength, and the kingdom of our God, and the power of his Christ: For he is cast down which accused them before God day and night:

Thine own

Matthew 10:21
The brother shall betray the brother to death, and the father the son: and the children shall arise against their fathers, and mothers, and shall put them to death,