yellowbird vs goldfinch

yellowbird and goldfinch both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellowbird	Yes	No	No	No
goldfinch	Yes	No	No	No

As nouns, yellowbird and goldfinch are synonyms defined as:

yellowbird and goldfinch: American finch whose male has yellow body plumage in summer

Other synonyms of yellowbird include New World goldfinch, Spinus tristis.

yellowbird (noun)	goldfinch (noun)
American finch whose male has yellow body plumage in summer	small European finch having a crimson face and yellow-and-black wings
yellow-throated American wood warbler	American finch whose male has yellow body plumage in summer