flinthead vs stork

flinthead and stork both are nouns.

Word	Noun	Adjective	Verb	Adverb
flinthead	Yes	No	No	No
stork	Yes	No	No	No

As nouns, stork is a hypernym of flinthead; that is, stork is a word with a broader meaning than flinthead:

flinthead: an American stork that resembles the true ibises in having a downward-curved bill; inhabits wooded swamps of New World tropics
stork: large mostly Old World wading birds typically having white-and-black plumage

flinthead (noun)	stork (noun)
an American stork that resembles the true ibises in having a downward-curved bill; inhabits wooded swamps of New World tropics	large mostly Old World wading birds typically having white-and-black plumage