spray painting vs painting

spray painting and painting both are nouns.

Word	Noun	Adjective	Verb	Adverb
spray painting	Yes	No	No	No
painting	Yes	No	No	No

As nouns, painting is a hypernym of spray painting; that is, painting is a word with a broader meaning than spray painting:

Other hypernyms of spray painting include spraying.

spray painting (noun)	painting (noun)
applying paint with a sprayer	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