leporid vs gnawing mammal

leporid and gnawing mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
leporid	Yes	No	No	No
gnawing mammal	Yes	No	No	No

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

leporid: rabbits and hares
gnawing mammal: relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing

Other hypernyms of leporid include lagomorph.

leporid (noun)	gnawing mammal (noun)
rabbits and hares	relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing