clamour vs utter

clamour is a noun but utter is not a noun.

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

As verbs, utter is a hypernym of clamour; that is, utter is a word with a broader meaning than clamour:

Other hypernyms of clamour include express, give tongue to, verbalise, verbalize.

clamour (noun)	utter (noun)
loud and persistent outcry from many people

clamour (adjective)	utter (adjective)
	complete and absolute
	without qualification; used informally as (often pejorative) intensifiers

clamour (verb)	utter (verb)
utter or proclaim insistently and noisily	express in speech
make loud demands	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation