Acts 19:18

And many who became believers kept coming and confessing and uncovering their former practices.

Matthew 3:6

and were baptized by him in the Jordan River, as one by one they continued to confess their sins.

Romans 10:10

For in their hearts people exercise the faith that leads to right standing, and with their lips they make the acknowledgment which means salvation.

1 John 1:9

If we confess our sins, He is to be depended on, since He is just, to forgive us our sins and to cleanse us from every wrong.

Treasury of Scripture Knowledge

Summary

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

Bible References

Confessed

Matthew 3:6
and were baptized by him in the Jordan River, as one by one they continued to confess their sins.
Romans 10:10
For in their hearts people exercise the faith that leads to right standing, and with their lips they make the acknowledgment which means salvation.
1 John 1:9
If we confess our sins, He is to be depended on, since He is just, to forgive us our sins and to cleanse us from every wrong.