hare vs leporid

hare and leporid both are nouns.

Word	Noun	Adjective	Verb	Adverb
hare	Yes	No	Yes	No
leporid	Yes	No	No	No

As nouns, leporid is a hypernym of hare; that is, leporid is a word with a broader meaning than hare:

hare: swift timid long-eared mammal larger than a rabbit having a divided upper lip and long hind legs; young born furred and with open eyes
leporid: rabbits and hares

Other hypernyms of hare include leporid mammal.

hare (noun)	leporid (noun)
swift timid long-eared mammal larger than a rabbit having a divided upper lip and long hind legs; young born furred and with open eyes	rabbits and hares
flesh of any of various rabbits or hares (wild or domesticated) eaten as food

hare (verb)	leporid (verb)
run quickly, like a hare