house sparrow vs English sparrow

house sparrow and English sparrow both are nouns.

Word	Noun	Adjective	Verb	Adverb
house sparrow	Yes	No	No	No
English sparrow	Yes	No	No	No

As nouns, house sparrow and English sparrow are synonyms defined as:

house sparrow and English sparrow: small hardy brown-and-grey bird native to Europe

Other synonyms of house sparrow include Passer domesticus.

house sparrow (noun)	English sparrow (noun)
small hardy brown-and-grey bird native to Europe	small hardy brown-and-grey bird native to Europe