Acts 19:18

And many of them that believed came confessing and declaring their former practices.

Matthew 3:6

and they were baptized by him in Jordan, confessing their sins.

Romans 10:10

For with the heart man believeth unto righteousness, and with the mouth confession is made unto salvation.

1 John 1:9

If we confess our sins, He is faithful and just to forgive us our sins, and to 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 they were baptized by him in Jordan, confessing their sins.
Romans 10:10
For with the heart man believeth unto righteousness, and with the mouth confession is made unto salvation.
1 John 1:9
If we confess our sins, He is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness: