Afghan vs Afghanistan

Afghan and Afghanistan both are nouns.

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

Afghan (noun)	Afghanistan (noun)
tall graceful breed of hound with a long silky coat; native to the Near East	a mountainous landlocked country in central Asia; bordered by Iran to the west and Russia to the north and Pakistan to the east and south
an Iranian language spoken in Afghanistan and Pakistan; the official language of Afghanistan
a native or inhabitant of Afghanistan

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