Exodus 12:22 And ye shall take a bunch of hyssop, and dip it in the blood that is in the bason, and strike the lintel and the two side posts with the blood that is in the bason; and none of you shall go out at the door of his house until the morning. 12 I MC VC

Psalm 51:7 Purge me with hyssop, and I shall be clean: wash me, and I shall be whiter than snow. 14 I MC VC