conventicle vs house of prayer

conventicle and house of prayer both are nouns.

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

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

conventicle: a building for religious assembly (especially Nonconformists, e.g., Quakers)
house of prayer: any building where congregations gather for prayer

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

conventicle (noun)	house of prayer (noun)
a building for religious assembly (especially Nonconformists, e.g., Quakers)	any building where congregations gather for prayer
a secret unauthorized meeting for religious worship