sputter vs clamber

sputter and clamber both are nouns.

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

As verbs, sputter and clamber are synonyms defined as:

Other synonyms of sputter include scramble, shin, shinny, skin, struggle.

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

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