American spelling vs self-realization

American spelling and self-realization both are nouns.

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

American spelling (noun)	self-realization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the fulfillment of your capacities