wildcat vs beast

wildcat and beast both are nouns.

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

As nouns, wildcat and beast are synonyms defined as:

Other synonyms of wildcat include brute, savage, wolf.

wildcat (noun)	beast (noun)
any small or medium-sized cat resembling the domestic cat and living in the wild	a living organism characterized by voluntary movement
an exploratory oil well drilled in land not known to be an oil field	a cruelly rapacious person
a cruelly rapacious person

wildcat (adjective)	beast (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