musical organization vs American spelling

musical organization and American spelling both are nouns.

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

musical organization (noun)	American spelling (noun)
an organization of musicians who perform together	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')