jungle fowl vs gallina

jungle fowl and gallina both are nouns.

Word	Noun	Adjective	Verb	Adverb
jungle fowl	Yes	No	No	No
gallina	Yes	No	No	No

As nouns, jungle fowl and gallina are synonyms defined as:

jungle fowl and gallina: small Asiatic wild bird; believed to be ancestral to domestic fowl

jungle fowl (noun)	gallina (noun)
small Asiatic wild bird; believed to be ancestral to domestic fowl	small Asiatic wild bird; believed to be ancestral to domestic fowl