American spelling vs modeling

American spelling and modeling both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
modeling	Yes	No	No	No

American spelling (noun)	modeling (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the act of representing something (usually on a smaller scale)
	a preliminary sculpture in wax or clay from which a finished work can be copied
	sculpture produced by molding