house of God vs place of worship

house of God and place of worship both are nouns.

Word	Noun	Adjective	Verb	Adverb
house of God	Yes	No	No	No
place of worship	Yes	No	No	No

As nouns, house of God and place of worship are synonyms defined as:

house of God and place of worship: any building where congregations gather for prayer

Other synonyms of house of God include house of prayer, house of worship.

house of God (noun)	place of worship (noun)
any building where congregations gather for prayer	any building where congregations gather for prayer