person of color vs wog

person of color and wog both are nouns.

Word	Noun	Adjective	Verb	Adverb
person of color	Yes	No	No	No
wog	Yes	No	No	No

As nouns, wog is a hyponym of person of color; that is, wog is a word with a more specific, narrower meaning than person of color:

person of color: (formal) any non-European non-white person
wog: (offensive British slang) term used by the British to refer to people of color from Africa or Asia

Other hyponyms of person of color include Asian, Asiatic.

person of color (noun)	wog (noun)
(formal) any non-European non-white person	(offensive British slang) term used by the British to refer to people of color from Africa or Asia