Serbia and Montenegro vs European country

Serbia and Montenegro and European country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Serbia and Montenegro	Yes	No	No	No
European country	Yes	No	No	No

Serbia and Montenegro (noun)	European country (noun)
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	any one of the countries occupying the European continent