terrorization vs American spelling

terrorization and American spelling both are nouns.

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

terrorization (noun)	American spelling (noun)
the act of inspiring with fear	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
an act of terrorism