Psalm 81:9
"There shall no strange god be in thee; neither shalt thou worship any strange god."
Cross References (ranked by relevance)
I have declared, and have saved, and I have shewed, when there was no strange god among you: therefore ye are my witnesses, saith the LORD, that I am God.
So the LORD alone did lead him, and there was no strange god with him.
Ye shall not go after other gods, of the gods of the people which are round about you;
Judah hath dealt treacherously, and an abomination is committed in Israel and in Jerusalem; for Judah hath profaned the holiness of the LORD which he loved, and hath married the daughter of a strange god.
If we have forgotten the name of our God, or stretched out our hands to a strange god;