American spelling vs body armor

American spelling and body armor both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
body armor	Yes	No	No	No

American spelling (noun)	body armor (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	armor that protects the wearer's whole body