Iberia vs Europe

Iberia and Europe both are nouns.

Word	Noun	Adjective	Verb	Adverb
Iberia	Yes	No	No	No
Europe	Yes	No	No	No

Iberia (noun)	Europe (noun)
a peninsula in southwestern Europe	an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
an ancient geographical region to the south of the Caucasus Mountains that corresponded approximately to the present-day Georgia	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