cacophony vs clamor

cacophony and clamor both are nouns.

Word	Noun	Adjective	Verb	Adverb
cacophony	Yes	No	No	No
clamor	Yes	No	Yes	No

As nouns, cacophony and clamor are synonyms defined as:

Other synonyms of cacophony include blare, blaring, din.

cacophony (noun)	clamor (noun)
loud confusing disagreeable sounds	loud and persistent outcry from many people
a loud harsh or strident noise	a loud harsh or strident noise

cacophony (verb)	clamor (verb)
	utter or proclaim insistently and noisily
	make loud demands
	compel someone to do something by insistent clamoring