'House of God' in the Bible

How he entered into the house of God, and did eat the showbread, which was not lawful for him to eat, neither for them who were with him, but only for the priests?

How he went into the house of God in the days of Abiathar the high priest, and did eat the showbread, which is not lawful to eat except for the priests, and gave also to them who were with him?

How he went into the house of God, and did take and eat the showbread, and gave also to them that were with him; which it is not lawful to eat, but for the priests alone?

But if I tarry long, that you may know how you ought to behave yourself in the house of God, which is the church of the living God, the pillar and ground of the truth.

And having a high priest over the house of God;

For the time is come that judgment must begin at the house of God: and if it first begins with us, what shall the end be of them that obey not the gospel of God?