sunfish vs crappie

sunfish and crappie both are nouns.

Word	Noun	Adjective	Verb	Adverb
sunfish	Yes	No	No	No
crappie	Yes	No	No	No

As nouns, crappie is a hyponym of sunfish; that is, crappie is a word with a more specific, narrower meaning than sunfish:

sunfish: small carnivorous freshwater percoid fishes of North America usually having a laterally compressed body and metallic luster: crappies, black bass, bluegills, pumpkinseed
crappie: small sunfishes of central United States rivers

As nouns, crappie is a hyponym of sunfish; that is, crappie is a word with a more specific, narrower meaning than sunfish:

sunfish: the lean flesh of any of numerous American perch-like fishes of the family Centrarchidae
crappie: small sunfishes of the genus Pomoxis of central United States rivers

sunfish (noun)	crappie (noun)
small carnivorous freshwater percoid fishes of North America usually having a laterally compressed body and metallic luster: crappies, black bass, bluegills, pumpkinseed	small sunfishes of central United States rivers
among the largest bony fish; pelagic fish having an oval compressed body with high dorsal and anal fins and caudal fin reduced to a rudder-like lobe; worldwide in warm waters	small sunfishes of the genus Pomoxis of central United States rivers
the lean flesh of any of numerous American perch-like fishes of the family Centrarchidae