social organization vs American spelling

social organization and American spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
social organization	Yes	No	No	No
American spelling	Yes	No	No	No

social organization (noun)	American spelling (noun)
the people in a society considered as a system organized by a characteristic pattern of relationships	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')