depersonalization vs American spelling

depersonalization and American spelling both are nouns.

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

depersonalization (noun)	American spelling (noun)
representing a human being as a physical thing deprived of personal qualities or individuality	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness
(existentialism) a loss of personal identity; a feeling of being an anonymous cog in an impersonal social machine