chaotic vs chaos

chaotic is not a noun while chaos is a noun.

Word	Noun	Adjective	Verb	Adverb
chaotic	No	Yes	No	No
chaos	Yes	No	No	No

chaotic (noun)	chaos (noun)
	(physics) a dynamical system that is extremely sensitive to its initial conditions
	the formless and disordered state of matter before the creation of the cosmos
	a state of extreme confusion and disorder

chaotic (adjective)	chaos (adjective)
of or relating to a sensitive dependence on initial conditions
lacking a visible order or organization
completely unordered and unpredictable and confusing