clamour vs shout

clamour and shout both are nouns.

Word	Noun	Adjective	Verb	Adverb
clamour	Yes	No	Yes	No
shout	Yes	No	Yes	No

As nouns, shout is a hypernym of clamour; that is, shout is a word with a broader meaning than clamour:

Other hypernyms of clamour include call, cry, outcry, vociferation, yell.

clamour (noun)	shout (noun)
loud and persistent outcry from many people	a loud utterance; often in protest or opposition

clamour (verb)	shout (verb)
utter or proclaim insistently and noisily	utter in a loud voice; talk in a loud voice (usually denoting characteristic manner of speaking)
make loud demands	utter a sudden loud cry
	utter aloud; often with surprise, horror, or joy
	use foul or abusive language towards