Parallel
1 Corinthians 5:9
Nestle 1904 Greek New Testament · Berean Standard Bible
Ἔγραψα ὑμῖν ἐν τῇ ἐπιστολῇ μὴ συναναμίγνυσθαι πόρνοις
I wrote you in my letter not to associate with sexually immoral people.