kingfish vs genus Genyonemus

kingfish and genus Genyonemus both are nouns.

Word	Noun	Adjective	Verb	Adverb
kingfish	Yes	No	No	No
genus Genyonemus	Yes	No	No	No

kingfish (noun)	genus Genyonemus (noun)
any of several food and game fishes of the drum family indigenous to warm Atlantic waters of the North American coast	a genus of Sciaenidae, containing the fish known as the white croaker, the Pasadena trout, the tommy croaker, and the little bass (Genyonemus)
large edible mackerel of temperate United States coastal Atlantic waters
small silvery marine food fish found off California
large game fish of Australia and New Zealand
the lean flesh of any of several fish caught off the Atlantic coast of the United States