exaction vs exact

exaction is a noun but exact is not a noun.

Word	Noun	Adjective	Verb	Adverb
exaction	Yes	No	No	No
exact	No	Yes	Yes	No

exaction (noun)	exact (noun)
act of demanding or levying by force or authority

exaction (adjective)	exact (adjective)
	marked by strict and particular and complete accordance with fact
	(of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth; strictly correct
	lacking compromising or mitigating elements

exaction (verb)	exact (verb)
	claim as due or just
	take as an undesirable consequence of some event or state of affairs