American spelling vs favorite

American spelling and favorite both are nouns.

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

American spelling (noun)	favorite (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	something regarded with special favor or liking
	a special loved one
	a competitor thought likely to win

American spelling (adjective)	favorite (adjective)
	preferred above all others and treated with partiality
	appealing to the general public

American spelling (verb)	favorite (verb)
	To mark an item as a personal favorite on social media