American spelling vs maximize

American spelling is a noun but maximize is not a noun.

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

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

American spelling (verb)	maximize (verb)
	make as big or large as possible
	make the most of