yellowbird vs finch

yellowbird and finch both are nouns.

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

As nouns, finch is a hypernym of yellowbird; that is, finch is a word with a broader meaning than yellowbird:

yellowbird: American finch whose male has yellow body plumage in summer
finch: any of numerous small songbirds with short stout bills adapted for crushing seeds

yellowbird (noun)	finch (noun)
American finch whose male has yellow body plumage in summer	any of numerous small songbirds with short stout bills adapted for crushing seeds
yellow-throated American wood warbler