sputter vs splutter

sputter and splutter both are nouns.

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

As nouns, sputter and splutter are synonyms defined as:

sputter and splutter: an utterance (of words) with spitting sounds (as in rage)

As nouns, sputter and splutter are synonyms defined as:

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

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

As verbs, sputter and splutter are synonyms defined as:

Other synonyms of sputter include spit out.

As verbs, sputter and splutter are synonyms defined as:

sputter (noun)	splutter (noun)
an utterance (of words) with spitting sounds (as in rage)	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

sputter (verb)	splutter (verb)
spit up in an explosive manner	spit up in an explosive manner
cause to undergo a process in which atoms are removed	utter with a spitting sound, as if in a rage
utter with a spitting sound, as if in a rage
climb awkwardly, as if by scrambling
make an explosive sound