Spinus tristis vs goldfinch

Spinus tristis and goldfinch both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spinus tristis	Yes	No	No	No
goldfinch	Yes	No	No	No

As nouns, Spinus tristis and goldfinch are synonyms defined as:

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

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

Spinus tristis (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
	American finch whose male has yellow body plumage in summer