systematize vs American spelling

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

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

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

systematize (verb)	American spelling (verb)
arrange according to a system or reduce to a system