Afghanistan vs Afghanistani

Afghanistan and Afghanistani both are nouns.

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

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

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