coney vs rock rabbit

coney and rock rabbit both are nouns.

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

As nouns, coney and rock rabbit are synonyms defined as:

coney and rock rabbit: small short-eared burrowing mammal of rocky uplands of Asia and western North America

Other synonyms of coney include cony, mouse hare, pika.

As nouns, rock rabbit is a hyponym of coney; that is, rock rabbit is a word with a more specific, narrower meaning than coney:

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

Other hyponyms of coney include Procavia capensis, rock hyrax.

coney (noun)	rock rabbit (noun)
black-spotted usually dusky-colored fish with reddish fins	small short-eared burrowing mammal of rocky uplands of Asia and western North America
any of various burrowing animals of the family Leporidae having long ears and short tails; some domesticated and raised for pets or food	hyrax that lives in rocky areas
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