shrine vs house of prayer

shrine and house of prayer both are nouns.

Word	Noun	Adjective	Verb	Adverb
shrine	Yes	No	Yes	No
house of prayer	Yes	No	No	No

As nouns, house of prayer is a hypernym of shrine; that is, house of prayer is a word with a broader meaning than shrine:

shrine: a place of worship hallowed by association with some sacred thing or person
house of prayer: any building where congregations gather for prayer

Other hypernyms of shrine include house of God, house of worship, place of worship.

shrine (noun)	house of prayer (noun)
a place of worship hallowed by association with some sacred thing or person	any building where congregations gather for prayer

shrine (verb)	house of prayer (verb)
enclose in a shrine