Principality of Monaco vs European country

Principality of Monaco and European country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Principality of Monaco	Yes	No	No	No
European country	Yes	No	No	No

Principality of Monaco (noun)	European country (noun)
a constitutional monarchy in a tiny enclave on the French Riviera	any one of the countries occupying the European continent