sulky vs dark

sulky and dark both are nouns.

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

sulky (noun)	dark (noun)
a light two-wheeled vehicle for one person; drawn by one horse	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

sulky (adjective)	dark (adjective)
depressingly dark	devoid of or deficient in light or brightness; shadowed or black
sullen or moody	(used of color) having a dark hue
slow or slothful	brunet (used of hair or skin or eyes)
	secret
	causing dejection
	stemming from evil characteristics or forces; wicked or dishonorable
	showing a brooding ill humor
	not giving performances; closed
	marked by difficulty of style or expression
	lacking enlightenment or knowledge or culture