painting vs splattering

painting and splattering both are nouns.

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

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

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

painting (noun)	splattering (noun)
creating a picture with paints	the act of splashing a (liquid) substance on a surface
the occupation of a house painter	the noise of something spattering or sputtering explosively
the act of applying paint to a surface
graphic art consisting of an artistic composition made by applying paints to a surface