English sparrow vs house sparrow

English sparrow and house sparrow both are nouns.

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

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

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

Other synonyms of English sparrow include Passer domesticus.

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