wog vs person of color

wog and person of color both are nouns.

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

As nouns, person of color is a hypernym of wog; that is, person of color is a word with a broader meaning than wog:

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

Other hypernyms of wog include person of colour.

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