Verses with the word hemlock in the Old Testament (2 verses):
Hosea 10:4
They have spoken words, swearing falsely in making a covenant: thus judgment springeth up as hemlock in the furrows of the field.
Amos 6:12
Shall horses run upon the rock? will one plow there with oxen? for ye have turned judgment into gall, and the fruit of righteousness into hemlock:
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