self-defense vs American spelling

self-defense and American spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
self-defense	Yes	No	No	No
American spelling	Yes	No	No	No

self-defense (noun)	American spelling (noun)
the act of defending yourself	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')