American spelling vs curry favor

American spelling is a noun but curry favor is not a noun.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
curry favor	No	No	Yes	No

American spelling (noun)	curry favor (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

American spelling (verb)	curry favor (verb)
	seek favor by fawning or flattery