Ephesians 5:4

and indecorum, or foolish talking, or indecent jesting, which is not becoming, but rather the giving of thanks:

Ephesians 4:29

Let no corrupt communication go forth out of your mouth, but if anything is good unto edification of need, in order that he may give grace to those who hear.

Romans 1:28

And as they did not approve to have God in their knowledge, God gave them up to a reprobate mind, to do those things which are inappropriate;

Matthew 12:34-37

O ye generations of vipers, how are you, being evil, able to speak good things? for out of the abundance of the heart the mouth speaks.

Mark 7:22

thefts, covetousness, wickedness, deceit, impurity, an evil eye, blasphemy, pride, folly.

John 6:23

(other ships came from Tiberias near the place where they ate the bread, the Lord having given thanks).

2 Corinthians 1:11

you also cooperating in our behalf in prayer; in order that, the gift which is bestowed upon us from many persons, may through many be a source of thanks given in our behalf.

2 Corinthians 9:15

Thanks be unto God for His unspeakable gift.

Ephesians 1:16

I do not cease giving thanks for you making mention of you in my prayers;

Ephesians 5:19-20

speaking one to another in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord,

Philippians 4:6

Be solicitous about nothing; but in all prayer and supplication, let your request be made known to God.

Colossians 3:8

but you also lay aside all these; anger, wrath, malice, blasphemy, disgraceful talk out of your mouths:

Colossians 3:15-17

And let the peace of Christ reign in your hearts, in which you are called in one body; and be ye thankful.

1 Thessalonians 3:9

For what thanks are we able to render unto God in your behalf, for all the joy with which we rejoice on account of you before our God;

1 Thessalonians 5:18

in every thing give thanks; for this is the will of God in Christ Jesus towards you.

Hebrews 13:15

Therefore let us offer to God a sacrifice of praise continually, that is, the fruit of our lips, confessing to his name.

James 3:4-8

behold also the ships, being so great, and driven by fierce winds, are managed by the smallest rudder, whithersoever the will of the steersman prefers;

2 Peter 2:7

and he delivered righteous Lot, being grieved by the deportment of the ungodly in their debauchery:

2 Peter 2:18

For speaking swelling words of vanity, in the lusts of the flesh they beguile with their impurities, those that have but partially escaped, who are still moving about in their delusion;

Jude 1:10

But these blaspheme so many things as they know not: and so many things as they understand naturally, like irrational animals, in these they are corrupted.

Jude 1:13

wild waves of the sea, foaming out their own disgraces; wandering stars, for which the blackness of darkness has been reserved forever.

Treasury of Scripture Knowledge

Summary

Neither filthiness, nor foolish talking, nor jesting, which are not convenient: but rather giving of thanks.

Bible References

Convenient

Romans 1:28
And as they did not approve to have God in their knowledge, God gave them up to a reprobate mind, to do those things which are inappropriate;
Philemon 1:8
Therefore, having much boldness in Christ to command you to that which is appropriate,

But

Ephesians 5:19
speaking one to another in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord,
Ephesians 1:16
I do not cease giving thanks for you making mention of you in my prayers;
John 6:23
(other ships came from Tiberias near the place where they ate the bread, the Lord having given thanks).
2 Corinthians 1:11
you also cooperating in our behalf in prayer; in order that, the gift which is bestowed upon us from many persons, may through many be a source of thanks given in our behalf.
2 Corinthians 9:15
Thanks be unto God for His unspeakable gift.
Philippians 4:6
Be solicitous about nothing; but in all prayer and supplication, let your request be made known to God.
Colossians 3:15
And let the peace of Christ reign in your hearts, in which you are called in one body; and be ye thankful.
1 Thessalonians 3:9
For what thanks are we able to render unto God in your behalf, for all the joy with which we rejoice on account of you before our God;
1 Thessalonians 5:18
in every thing give thanks; for this is the will of God in Christ Jesus towards you.
Hebrews 13:15
Therefore let us offer to God a sacrifice of praise continually, that is, the fruit of our lips, confessing to his name.