person of colour vs wog

person of colour and wog both are nouns.

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

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

person of colour: (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 colour include Asian, Asiatic.

person of colour (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