regulatory offense vs American spelling

regulatory offense and American spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
regulatory offense	Yes	No	No	No
American spelling	Yes	No	No	No

regulatory offense (noun)	American spelling (noun)
crimes created by statutes and not by common law	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')