clamber vs sputter

clamber and sputter both are nouns.

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

As verbs, clamber and sputter are synonyms defined as:

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

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

clamber (verb)	sputter (verb)
climb awkwardly, as if by scrambling	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
	climb awkwardly, as if by scrambling
	make an explosive sound