systemize vs American spelling

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

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

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

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