sputtering vs splutter

sputtering and splutter both are nouns.

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

As nouns, sputtering and splutter are synonyms defined as:

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

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

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

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