American spelling vs people of color

American spelling and people of color both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
people of color	Yes	No	No	No

American spelling (noun)	people of color (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	a race with skin pigmentation different from the white race (especially Blacks)