disorganization vs American spelling

disorganization and American spelling both are nouns.

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

disorganization (noun)	American spelling (noun)
the disturbance of a systematic arrangement causing disorder and confusion	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
a condition in which an orderly system has been disrupted