masjid vs house of prayer

masjid and house of prayer both are nouns.

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

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

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

masjid (noun)	house of prayer (noun)
(Islam) a Muslim place of worship	any building where congregations gather for prayer