Proverbs 18:21

Death and life are in the power of the tongue; and those to whom it is dear will have its fruit for their food.

Ephesians 4:29

Let no evil talk come out of your mouth, but only what is good for giving necessary teaching, and for grace to those who give ear.

Matthew 12:35-37

The good man out of his good store gives good things; and the evil man out of his evil store gives evil things.

Colossians 4:6

Let your talk be with grace, mixed with salt, so that you may be able to give an answer to everyone.

Proverbs 10:19-21

Where there is much talk there will be no end to sin, but he who keeps his mouth shut does wisely.

Proverbs 10:31

The mouth of the upright man is budding with wisdom, but the twisted tongue will be cut off.

Proverbs 11:30

The fruit of righteousness is a tree of life, but violent behaviour takes away souls.

Proverbs 12:13

In the sin of the lips is a net which takes the sinner, but the upright man will come out of trouble.

Proverbs 13:2-3

A man will get good from the fruit of his lips, but the desire of the false is for violent acts.

Proverbs 18:4-7

The words of a man's mouth are like deep waters: the fountain of wisdom is like a flowing stream.

Ecclesiastes 10:12-14

The words of a wise man's mouth are sweet to all, but the lips of a foolish man are his destruction.

Titus 1:10-11

For there are men who are not ruled by law; foolish talkers, false teachers, specially those of the circumcision,

James 3:6-9

And the tongue is a fire; it is the power of evil placed in our bodies, making all the body unclean, putting the wheel of life on fire, and getting its fire from hell.

Isaiah 57:19

I will give the fruit of the lips: Peace, peace, to him who is near and to him who is far off, says the Lord; and I will make him well.

Romans 10:14-15

But how will they give worship to him in whom they have no faith? and how will they have faith in him of whom they have not had news? and how will they have news without a preacher?

2 Corinthians 2:16

To the one it is a perfume of death to death; to the other a perfume of life to life. And who is enough for such things?

2 Corinthians 11:15

So it is no great thing if his servants make themselves seem to be servants of righteousness; whose end will be the reward of their works.

2 Peter 2:18

For with high-sounding false words, making use of the attraction of unclean desires of the flesh, they get into their power those newly made free from those who are living in error;

Treasury of Scripture Knowledge

Bible References

Death

Proverbs 18:4
The words of a man's mouth are like deep waters: the fountain of wisdom is like a flowing stream.
Proverbs 10:20
The tongue of the upright man is like tested silver: the heart of the evil-doer is of little value.
Proverbs 11:30
The fruit of righteousness is a tree of life, but violent behaviour takes away souls.
Matthew 12:35
The good man out of his good store gives good things; and the evil man out of his evil store gives evil things.
Romans 10:14
But how will they give worship to him in whom they have no faith? and how will they have faith in him of whom they have not had news? and how will they have news without a preacher?
2 Corinthians 2:16
To the one it is a perfume of death to death; to the other a perfume of life to life. And who is enough for such things?
2 Corinthians 11:15
So it is no great thing if his servants make themselves seem to be servants of righteousness; whose end will be the reward of their works.
Ephesians 4:29
Let no evil talk come out of your mouth, but only what is good for giving necessary teaching, and for grace to those who give ear.
Colossians 4:6
Let your talk be with grace, mixed with salt, so that you may be able to give an answer to everyone.
Titus 1:10
For there are men who are not ruled by law; foolish talkers, false teachers, specially those of the circumcision,
James 3:6
And the tongue is a fire; it is the power of evil placed in our bodies, making all the body unclean, putting the wheel of life on fire, and getting its fire from hell.
2 Peter 2:18
For with high-sounding false words, making use of the attraction of unclean desires of the flesh, they get into their power those newly made free from those who are living in error;

And

Proverbs 10:19
Where there is much talk there will be no end to sin, but he who keeps his mouth shut does wisely.
Ecclesiastes 10:12
The words of a wise man's mouth are sweet to all, but the lips of a foolish man are his destruction.
Isaiah 57:19
I will give the fruit of the lips: Peace, peace, to him who is near and to him who is far off, says the Lord; and I will make him well.

General references

Deuteronomy 22:14
And says evil things about her and gives her a bad name, saying, I took this woman, and when I had connection with her it was clear to me that she was not a virgin:
Proverbs 21:23
He who keeps watch over his mouth and his tongue keeps his soul from troubles.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain