openbill vs stork

openbill and stork both are nouns.

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

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

openbill: stork with a grooved bill whose upper and lower parts touch only at the base and tip
stork: large mostly Old World wading birds typically having white-and-black plumage

openbill (noun)	stork (noun)
stork with a grooved bill whose upper and lower parts touch only at the base and tip	large mostly Old World wading birds typically having white-and-black plumage