painting vs splash

painting and splash both are nouns.

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

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

Other hyponyms of painting include spray painting, spatter, spattering, splashing, splattering, finger-painting.

painting (noun)	splash (noun)
creating a picture with paints	the act of splashing a (liquid) substance on a surface
the occupation of a house painter	the act of scattering water about haphazardly
the act of applying paint to a surface	a patch of bright color
graphic art consisting of an artistic composition made by applying paints to a surface	the sound like water splashing
	a small quantity of something moist or liquid
	a prominent or sensational but short-lived news event

painting (verb)	splash (verb)
	dash a liquid upon or against
	cause (a liquid) to spatter about, especially with force
	strike and dash about in a liquid
	soil or stain with a splashed liquid
	mark or overlay with patches of contrasting color or texture; cause to appear splashed or spattered
	walk through mud or mire
	make a splashing sound