snowbird vs finch

snowbird and finch both are nouns.

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

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

snowbird: small North American finch seen chiefly in winter
finch: any of numerous small songbirds with short stout bills adapted for crushing seeds

snowbird (noun)	finch (noun)
white Arctic bunting	any of numerous small songbirds with short stout bills adapted for crushing seeds
small North American finch seen chiefly in winter
medium-sized Eurasian thrush seen chiefly in winter