wog vs person of colour

wog and person of colour both are nouns.

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

As nouns, person of colour is a hypernym of wog; that is, person of colour 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 colour: (formal) any non-European non-white person

Other hypernyms of wog include person of color.

wog (noun)	person of colour (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