American spelling vs sectionalize

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

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

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

American spelling (verb)	sectionalize (verb)
	divide into sections, especially into geographic sections