American spelling vs clamor

American spelling and clamor both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
clamor	Yes	No	Yes	No

American spelling (noun)	clamor (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	loud and persistent outcry from many people
	a loud harsh or strident noise

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