church vs place of worship

church and place of worship both are nouns.

Word	Noun	Adjective	Verb	Adverb
church	Yes	No	Yes	No
place of worship	Yes	No	No	No

As nouns, place of worship is a hypernym of church; that is, place of worship is a word with a broader meaning than church:

Other hypernyms of church include house of God, house of prayer, house of worship.

church (noun)	place of worship (noun)
a service conducted in a house of worship	any building where congregations gather for prayer
a place for public (especially Christian) worship
one of the groups of Christians who have their own beliefs and forms of worship
the body of people who attend or belong to a particular local church

church (verb)	place of worship (verb)
perform a special church rite or service for