American spelling vs sanitization

American spelling and sanitization both are nouns.

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

American spelling (noun)	sanitization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	making something sanitary (free of germs) as by sterilizing