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

Psalms 106:42
Their enemies also oppressed them, and they were brought into subjection under their hand.

Jeremiah 34:11
But afterward they turned, and caused the servants and the handmaids, whom they had let go free, to return, and brought them into subjection for servants and for handmaids.

Jeremiah 34:16
But ye turned and polluted my name, and caused every man his servant, and every man his handmaid, whom he had set at liberty at their pleasure, to return, and brought them into subjection, to be unto you for servants and for handmaids.