rock rabbit vs hyrax

rock rabbit and hyrax both are nouns.

Word	Noun	Adjective	Verb	Adverb
rock rabbit	Yes	No	No	No
hyrax	Yes	No	No	No

As nouns, hyrax is a hypernym of rock rabbit; that is, hyrax is a word with a broader meaning than rock rabbit:

rock rabbit: hyrax that lives in rocky areas
hyrax: any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes

Other hypernyms of rock rabbit include coney, cony, das, dassie.

rock rabbit (noun)	hyrax (noun)
small short-eared burrowing mammal of rocky uplands of Asia and western North America	any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes
hyrax that lives in rocky areas