dark vs inactive

dark is a noun but inactive is not a noun.

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

dark (noun)	inactive (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

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