kingfish vs genus Menticirrhus

kingfish and genus Menticirrhus both are nouns.

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

kingfish (noun)	genus Menticirrhus (noun)
any of several food and game fishes of the drum family indigenous to warm Atlantic waters of the North American coast	kingfishes; whiting
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