NET
16 So confess your sins to one another and pray for one another so that you may be healed. The prayer of a righteous person has great effectiveness.
Darby
16 Confess therefore your offences to one another, and pray for one another, that ye may be healed. [The] fervent supplication of the righteous [man] has much power.
KJV
16 Confess [your] faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.