monopolize vs American spelling

monopolize is not a noun while American spelling is a noun.

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

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

monopolize (verb)	American spelling (verb)
have or exploit a monopoly of
have and control fully and exclusively