Belgian hare vs leporide

Belgian hare and leporide both are nouns.

Word	Noun	Adjective	Verb	Adverb
Belgian hare	Yes	No	No	No
leporide	Yes	No	No	No

As nouns, Belgian hare and leporide are synonyms defined as:

Belgian hare and leporide: red breed of domestic rabbits; hybrid between Old World rabbit and hare

Belgian hare (noun)	leporide (noun)
red breed of domestic rabbits; hybrid between Old World rabbit and hare	red breed of domestic rabbits; hybrid between Old World rabbit and hare