mosque vs house of worship

mosque and house of worship both are nouns.

Word	Noun	Adjective	Verb	Adverb
mosque	Yes	No	No	No
house of worship	Yes	No	No	No

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

Other hypernyms of mosque include house of God, house of prayer, place of worship.

mosque (noun)	house of worship (noun)
(Islam) a Muslim place of worship that usually has a minaret	any building where congregations gather for prayer