Parallel
Job 20:12
Swete's Septuagint · Berean Standard Bible
ἐὰν γλυκανθῇ ἐν στόματι αὐτοῦ κακία, κρύψει αὐτὴν ὑπὸ τὴν γλῶσσαν αὐτοῦ,
Though evil is sweet in his mouth and he conceals it under his tongue,