gnawing mammal vs lagomorph

gnawing mammal and lagomorph both are nouns.

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

As nouns, gnawing mammal and lagomorph are synonyms defined as:

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

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