graphic art vs painting

graphic art and painting both are nouns.

Word	Noun	Adjective	Verb	Adverb
graphic art	Yes	No	No	No
painting	Yes	No	No	No

As nouns, painting is a hyponym of graphic art; that is, painting is a word with a more specific, narrower meaning than graphic art:

graphic art: the arts of drawing or painting or printmaking
painting: graphic art consisting of an artistic composition made by applying paints to a surface

Other hyponyms of graphic art include graphics, picture, print, scene, view.

graphic art (noun)	painting (noun)
the arts of drawing or painting or printmaking	creating a picture with paints
	the occupation of a house painter
	the act of applying paint to a surface
	graphic art consisting of an artistic composition made by applying paints to a surface