lagomorph vs eutherian mammal

lagomorph and eutherian mammal both are nouns.

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

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

lagomorph: relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing
eutherian mammal: mammals having a placenta; all mammals except monotremes and marsupials

Other hypernyms of lagomorph include eutherian, placental, placental mammal.

lagomorph (noun)	eutherian mammal (noun)
relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing	mammals having a placenta; all mammals except monotremes and marsupials