Northern Ireland vs Europe

Northern Ireland and Europe both are nouns.

Word	Noun	Adjective	Verb	Adverb
Northern Ireland	Yes	No	No	No
Europe	Yes	No	No	No

Northern Ireland (noun)	Europe (noun)
a division of the United Kingdom located on the northern part of the island of Ireland	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