bethel vs house of prayer

bethel and house of prayer both are nouns.

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

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

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

bethel (noun)	house of prayer (noun)
a house of worship (especially one for sailors)	any building where congregations gather for prayer