stipple vs art

stipple is not a noun while art is a noun.

Word	Noun	Adjective	Verb	Adverb
stipple	No	No	Yes	No
art	Yes	No	No	No

stipple (noun)	art (noun)
	the creation of beautiful or significant things
	the products of human creativity; works of art collectively
	a superior skill that you can learn by study and practice and observation
	photographs or other visual representations in a printed publication

stipple (verb)	art (verb)
produce a mottled effect
engrave by means of dots and flicks
make by small short touches that together produce an even or softly graded shadow, as in paint or ink
apply (paint) in small dots or strokes