art vs chalk out

art is a noun but chalk out is not a noun.

Word	Noun	Adjective	Verb	Adverb
art	Yes	No	No	No
chalk out	No	No	Yes	No

art (noun)	chalk out (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

art (verb)	chalk out (verb)
	make a sketch of