Jeremiah 20:4
BIB: וְהִגְלָ֥ם בָּבֶ֖לָה וְהִכָּ֥ם בֶּחָֽרֶב׃
NAS: to Babylon and will slay them with the sword.
KJV: into Babylon, and shall slay them with the sword.
INT: will carry to Babylon and will slay the sword

Jeremiah 21:7
BIB: מְבַקְשֵׁ֣י נַפְשָׁ֑ם וְהִכָּ֣ם לְפִי־ חֶ֔רֶב
NAS: their lives; and he will strike them down with the edge
KJV: their life: and he shall smite them with the edge
INT: seek their lives will strike the edge of the sword

Jeremiah 29:21
BIB: מֶֽלֶךְ־ בָּבֶ֔ל וְהִכָּ֖ם לְעֵינֵיכֶֽם׃
NAS: of Babylon, and he will slay them before your eyes.
KJV: of Babylon; and he shall slay them before your eyes;
INT: king of Babylon will slay your eyes