large-capitalization vs American spelling

large-capitalization is not a noun while American spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
large-capitalization	No	Yes	No	No
American spelling	Yes	No	No	No

large-capitalization (noun)	American spelling (noun)
	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

large-capitalization (adjective)	American spelling (adjective)
of stocks of companies with a market capitalization of five billion dollars or more