coney vs grouper

coney and grouper both are nouns.

Word	Noun	Adjective	Verb	Adverb
coney	Yes	No	No	No
grouper	Yes	No	No	No

As nouns, grouper is a hypernym of coney; that is, grouper is a word with a broader meaning than coney:

coney (noun)	grouper (noun)
black-spotted usually dusky-colored fish with reddish fins	usually solitary bottom sea basses of warm seas
any of various burrowing animals of the family Leporidae having long ears and short tails; some domesticated and raised for pets or food	flesh of a saltwater fish similar to sea bass
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