clamber vs struggle

clamber and struggle both are nouns.

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

As verbs, clamber and struggle are synonyms defined as:

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

clamber (noun)	struggle (noun)
an awkward climb	strenuous effort
	an energetic attempt to achieve something
	an open clash between two opposing groups (or individuals)

clamber (verb)	struggle (verb)
climb awkwardly, as if by scrambling	be engaged in a fight; carry on a fight
	to exert strenuous effort against opposition
	climb awkwardly, as if by scrambling
	make a strenuous or labored effort