pika vs lagomorph

pika and lagomorph both are nouns.

Word	Noun	Adjective	Verb	Adverb
pika	Yes	No	No	No
lagomorph	Yes	No	No	No

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

pika: small short-eared burrowing mammal of rocky uplands of Asia and western North America
lagomorph: relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing

Other hypernyms of pika include gnawing mammal.

pika (noun)	lagomorph (noun)
small short-eared burrowing mammal of rocky uplands of Asia and western North America	relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing