Verses with the word washing in the Old Testament (5 verses):

Leviticus 13:56
And if the priest look, and, behold, the plague be somewhat dark after the washing of it; then he shall rend it out of the garment, or out of the skin, or out of the warp, or out of the woof:

2 Samuel 11:2
And it came to pass in an eveningtide, that David arose from off his bed, and walked upon the roof of the king's house: and from the roof he saw a woman washing herself; and the woman was very beautiful to look upon.

Nehemiah 4:23
So neither I, nor my brethren, nor my servants, nor the men of the guard which followed me, none of us put off our clothes, saving that every one put them off for washing.

Canticles 4:2
Thy teeth are like a flock of sheep that are even shorn, which came up from the washing; whereof every one bear twins, and none is barren among them.

Canticles 6:6
Thy teeth are as a flock of sheep which go up from the washing, whereof every one beareth twins, and there is not one barren among them.