NT-EPISTLES.filter - nkjv secretly:

nkjv@Galatians:2:4 @ And this occurred because of false brethren secretly brought in (who came in by stealth to spy out our liberty which we have in Christ Jesus, that they might bring us into bondage),

nkjv@2Peter:2:1 @ But there were also false prophets among the people, even as there will be false teachers among you, who will secretly bring in destructive heresies, even denying the Lord who bought them, and bring on themselves swift destruction.