rigorous vs exact

rigorous and exact both are adjectives.

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

rigorous (adjective)	exact (adjective)
demanding strict attention to rules and procedures	marked by strict and particular and complete accordance with fact
rigidly accurate; allowing no deviation from a standard	(of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth; strictly correct
	lacking compromising or mitigating elements

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