cathartid vs vulture

cathartid and vulture both are nouns.

Word	Noun	Adjective	Verb	Adverb
cathartid	Yes	No	No	No
vulture	Yes	No	No	No

As nouns, vulture is a hypernym of cathartid; that is, vulture is a word with a broader meaning than cathartid:

cathartid: large birds of prey superficially similar to Old World vultures
vulture: any of various large diurnal birds of prey having naked heads and weak claws and feeding chiefly on carrion

cathartid (noun)	vulture (noun)
large birds of prey superficially similar to Old World vultures	any of various large diurnal birds of prey having naked heads and weak claws and feeding chiefly on carrion
	someone who attacks in search of booty