unsound vs wildcat

unsound is not a noun while wildcat is a noun.

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

unsound (noun)	wildcat (noun)
	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

unsound (adjective)	wildcat (adjective)
not sound financially	(of a mine or oil well) drilled speculatively in an area not known to be productive
not in good condition; damaged or decayed	without official authorization
suffering from severe mental illness	outside the bounds of legitimate or ethical business practices
containing or based on a fallacy
physically unsound or diseased
of e.g. advice