optimize vs American spelling

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

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

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

optimize (verb)	American spelling (verb)
act as an optimist and take a sunny view of the world
make optimal; get the most out of; use best
modify to achieve maximum efficiency in storage capacity or time or cost