black vs dark

black and dark both are nouns.

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

As adjectives, black and dark are synonyms defined as:

black and dark: stemming from evil characteristics or forces; wicked or dishonorable

Other synonyms of black include sinister.

As nouns, dark is a hypernym of black; that is, dark is a word with a broader meaning than black:

Other hypernyms of black include darkness.

black (noun)	dark (noun)
black clothing (worn as a sign of mourning)	an unenlightened state
(board games) the darker pieces	an unilluminated area
the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)	absence of light or illumination
total absence of light	absence of moral or spiritual values
	the time after sunset and before sunrise while it is dark outside

black (adjective)	dark (adjective)
being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light	devoid of or deficient in light or brightness; shadowed or black
of or belonging to a racial group especially of sub-Saharan African origin	(used of color) having a dark hue
marked by anger or resentment or hostility	brunet (used of hair or skin or eyes)
(of the face) made black especially as with suffused blood	secret
(of intelligence operations) deliberately misleading	causing dejection
extremely dark	stemming from evil characteristics or forces; wicked or dishonorable
soiled with dirt or soot	showing a brooding ill humor
(used of conduct or character) deserving or bringing disgrace or shame	not giving performances; closed
stemming from evil characteristics or forces; wicked or dishonorable	marked by difficulty of style or expression
offering little or no hope	lacking enlightenment or knowledge or culture
distributed or sold illicitly
harshly ironic or sinister
(of coffee) without cream or sugar
(of events) having extremely unfortunate or dire consequences; bringing ruin

black (verb)	dark (verb)
make or become black