Parallel
Psalms 49:20
Rahlfs Septuagint (1935) · Berean Standard Bible
καθήμενος κατὰ τοῦ ἀδελφοῦ σου κατελάλεις καὶ κατὰ τοῦ υἱοῦ τῆς μητρός σου ἐτίθεις σκάνδαλον
50:20
You sit and malign your brother; you slander your own mother’s son.