inactive vs dark

inactive is not a noun while dark is a noun.

Word	Noun	Adjective	Verb	Adverb
inactive	No	Yes	No	No
dark	Yes	Yes	No	No

inactive (noun)	dark (noun)
	an unenlightened state
	an unilluminated area
	absence of light or illumination
	absence of moral or spiritual values
	the time after sunset and before sunrise while it is dark outside

inactive (adjective)	dark (adjective)
(military) not involved in military operations	devoid of or deficient in light or brightness; shadowed or black
not active physically or mentally	(used of color) having a dark hue
(pathology) not progressing or increasing; or progressing slowly	brunet (used of hair or skin or eyes)
lacking activity; lying idle or unused	secret
lacking in energy or will	causing dejection
(of e.g. volcanoes) not erupting and not extinct	stemming from evil characteristics or forces; wicked or dishonorable
not exerting influence or change	showing a brooding ill humor
not engaged in full-time work	not giving performances; closed
not in physical motion	marked by difficulty of style or expression
(chemistry) not participating in a chemical reaction; chemically inert	lacking enlightenment or knowledge or culture