demagnetization vs American spelling

demagnetization and American spelling both are nouns.

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

demagnetization (noun)	American spelling (noun)
the process of removing magnetization	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')