territorialization vs American spelling

territorialization and American spelling both are nouns.

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

territorialization (noun)	American spelling (noun)
the act of organizing as a territory	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')