Verses with the word devils in the Old Testament (4 verses):

Leviticus 17:7
And they shall no more offer their sacrifices unto devils, after whom they have gone a whoring. This shall be a statute for ever unto them throughout their generations.

Deuteronomy 32:17
They sacrificed unto devils, not to God; to gods whom they knew not, to new gods that came newly up, whom your fathers feared not.

2 Chronicles 11:15
And he ordained him priests for the high places, and for the devils, and for the calves which he had made.

Psalms 106:37
Yea, they sacrificed their sons and their daughters unto devils,