Hemlock
2 verses in 2 books of the King James Bible.
By Book
Every Occurrence
Hosea 10:4They have spoken words, swearing falsely in making a covenant: thus judgment springeth up as hemlock in the furrows of the field.
Amos 6:12Shall 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: