Felis vs wildcat

Felis and wildcat both are nouns.

Word	Noun	Adjective	Verb	Adverb
Felis	Yes	No	No	No
wildcat	Yes	Yes	No	No

Felis (noun)	wildcat (noun)
type genus of the Felidae: true cats and most wildcats	any small or medium-sized cat resembling the domestic cat and living in the wild
	an exploratory oil well drilled in land not known to be an oil field
	a cruelly rapacious person

Felis (adjective)	wildcat (adjective)
	(of a mine or oil well) drilled speculatively in an area not known to be productive
	without official authorization
	outside the bounds of legitimate or ethical business practices