capital of Djibouti vs Djibouti

capital of Djibouti and Djibouti both are nouns.

Word	Noun	Adjective	Verb	Adverb
capital of Djibouti	Yes	No	No	No
Djibouti	Yes	No	No	No

As nouns, capital of Djibouti and Djibouti are synonyms defined as:

capital of Djibouti and Djibouti: port city on the Gulf of Aden; the capital and largest city of Djibouti

capital of Djibouti (noun)	Djibouti (noun)
port city on the Gulf of Aden; the capital and largest city of Djibouti	a country in northeastern Africa on the Somali peninsula; formerly under French control but became independent in 1997
	port city on the Gulf of Aden; the capital and largest city of Djibouti