Afghan vs Paxto

Afghan and Paxto both are nouns.

Word	Noun	Adjective	Verb	Adverb
Afghan	Yes	Yes	No	No
Paxto	Yes	No	No	No

As nouns, Afghan and Paxto are synonyms defined as:

Afghan and Paxto: an Iranian language spoken in Afghanistan and Pakistan; the official language of Afghanistan

Afghan (noun)	Paxto (noun)
tall graceful breed of hound with a long silky coat; native to the Near East	an Iranian language spoken in Afghanistan and Pakistan; the official language of Afghanistan
an Iranian language spoken in Afghanistan and Pakistan; the official language of Afghanistan
a native or inhabitant of Afghanistan

Afghan (adjective)	Paxto (adjective)
of or relating to or characteristic of Afghanistan or its people