Republic of San Marino vs Europe

Republic of San Marino and Europe both are nouns.

Word	Noun	Adjective	Verb	Adverb
Republic of San Marino	Yes	No	No	No
Europe	Yes	No	No	No

Republic of San Marino (noun)	Europe (noun)
the smallest republic in the world; the oldest independent country in Europe (achieved independence in 301); located in the Apennines and completely surrounded by Italy	an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
	the nations of the European continent collectively
	the 2nd smallest continent (actually a vast peninsula of Eurasia); the British use `Europe' to refer to all of the continent except the British Isles