economic mobilization vs American spelling

economic mobilization and American spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
economic mobilization	Yes	No	No	No
American spelling	Yes	No	No	No

economic mobilization (noun)	American spelling (noun)
mobilization of the economy	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')