American spelling vs antagonize

American spelling is a noun but antagonize is not a noun.

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

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

American spelling (verb)	antagonize (verb)
	provoke the hostility of
	act in opposition to