American spelling vs homeopathy

American spelling and homeopathy both are nouns.

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

American spelling (noun)	homeopathy (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	a method of treating disease with small amounts of remedies that, in large amounts in healthy people, produce symptoms similar to those being treated