Afghanistan vs Afghan

Afghanistan and Afghan both are nouns.

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

Afghanistan (noun)	Afghan (noun)
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	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
	a native or inhabitant of Afghanistan

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