Verses with the word doctrine in the Old Testament (6 verses):

Deuteronomy 32:2
My doctrine shall drop as the rain, my speech shall distil as the dew, as the small rain upon the tender herb, and as the showers upon the grass:

Job 11:4
For thou hast said, My doctrine is pure, and I am clean in thine eyes.

Proverbs 4:2
For I give you good doctrine, forsake ye not my law.

Isaiah 28:9
Whom shall he teach knowledge? and whom shall he make to understand doctrine? them that are weaned from the milk, and drawn from the breasts.

Isaiah 29:24
They also that erred in spirit shall come to understanding, and they that murmured shall learn doctrine.

Jeremiah 10:8
But they are altogether brutish and foolish: the stock is a doctrine of vanities.