Acts 19:18

and many of those having believed came, confessing, and renouncing their practices.

Matthew 3:6

and were being baptized by him in the river Jordan, confessing their sins.

Romans 10:10

for with the heart it is believed unto righteousness; and with the mouth it is confessed unto salvation.

1 John 1:9

If we confess our sins, he is faithful and righteous that he may forgive us our sins, and cleanse us from all unrighteousness.

Treasury of Scripture Knowledge

Summary

And many that believed came, and confessed, and shewed their deeds.

Bible References

Confessed

Matthew 3:6
and were being baptized by him in the river Jordan, confessing their sins.
Romans 10:10
for with the heart it is believed unto righteousness; and with the mouth it is confessed unto salvation.
1 John 1:9
If we confess our sins, he is faithful and righteous that he may forgive us our sins, and cleanse us from all unrighteousness.