nasalization vs American spelling

nasalization and American spelling both are nouns.

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

nasalization (noun)	American spelling (noun)
the act of nasalizing; the utterance of sounds modulated by the nasal resonators	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')