Danube River vs Yugoslavia

Danube River and Yugoslavia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Danube River	Yes	No	No	No
Yugoslavia	Yes	No	No	No

Danube River (noun)	Yugoslavia (noun)
the 2nd longest European river (after the Volga); flows from southwestern Germany to the Black Sea	a mountainous republic in southeastern Europe bordering on the Adriatic Sea; formed from two of the six republics that made up Yugoslavia until 1992; Serbia and Montenegro were known as the Federal Republic of Yugoslavia until 2003 when they adopted the name of the Union of Serbia and Montenegro
	a former country of southeastern Europe bordering the Adriatic Sea; formed in 1918 and named Yugoslavia in 1929; controlled by Marshal Tito as a communist state until his death in 1980