American spelling vs neighbor

American spelling and neighbor both are nouns.

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

American spelling (noun)	neighbor (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	a nearby object of the same kind
	a person who lives (or is located) near another

American spelling (verb)	neighbor (verb)
	be located near or adjacent to
	live or be located as a neighbor