splutter vs sputtering

splutter and sputtering both are nouns.

Word	Noun	Adjective	Verb	Adverb
splutter	Yes	No	Yes	No
sputtering	Yes	No	No	No

As nouns, splutter and sputtering are synonyms defined as:

splutter and sputtering: the noise of something spattering or sputtering explosively

Other synonyms of splutter include spatter, spattering, splatter, splattering, sputter.

splutter (noun)	sputtering (noun)
an utterance (of words) with spitting sounds (as in rage)	the noise of something spattering or sputtering explosively
the noise of something spattering or sputtering explosively

splutter (verb)	sputtering (verb)
spit up in an explosive manner
utter with a spitting sound, as if in a rage