body odor vs American spelling

body odor and American spelling both are nouns.

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

body odor (noun)	American spelling (noun)
malodorousness resulting from a failure to bathe	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')