American spelling vs depersonalization

American spelling and depersonalization both are nouns.

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

American spelling (noun)	depersonalization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	representing a human being as a physical thing deprived of personal qualities or individuality
	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