Bilangan 19:18

19:18 Then a ceremonially clean person must take hyssop, dip it in the water, and sprinkle it on the tent, on all its furnishings, and on the people who were there, or on the one who touched a bone, or one killed, or one who died, or a grave.

Mazmur 51:9

51:9 Hide your face ¹  from my sins!

Wipe away ²  all my guilt!

[51:9]  ¹ sn In this context Hide your face from my sins means “Do not hold me accountable for my sins.”

[51:9]  ² tn See the note on the similar expression “wipe away my rebellious acts” in v. 1.