Europe vs San Marino

Europe and San Marino both are nouns.

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

Europe (noun)	San Marino (noun)
an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members	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
the nations of the European continent collectively	the capital and only city of San Marino
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