Verses with the word watereth in the Old Testament (3 verses):

Psalms 104:13
He watereth the hills from his chambers: the earth is satisfied with the fruit of thy works.

Proverbs 11:25
The liberal soul shall be made fat: and he that watereth shall be watered also himself.

Isaiah 55:10
For as the rain cometh down, and the snow from heaven, and returneth not thither, but watereth the earth, and maketh it bring forth and bud, that it may give seed to the sower, and bread to the eater: