Parallel
Jeremiah 9:7
Rahlfs Septuagint (1935) · Berean Standard Bible
βολὶς τιτρώσκουσα ἡ γλῶσσα αὐτῶν δόλια τὰ ῥήματα τοῦ στόματος αὐτῶν τῷ πλησίον αὐτοῦ λαλεῖ εἰρηνικὰ καὶ ἐν ἑαυτῷ ἔχει τὴν ἔχθραν
9:8
Their tongues are deadly arrows; they speak deception. With his mouth a man speaks peace to his neighbor, but in his heart he sets a trap for him.