The Netherlands vs EEC

The Netherlands and EEC both are nouns.

Word	Noun	Adjective	Verb	Adverb
The Netherlands	Yes	No	No	No
EEC	Yes	No	No	No

The Netherlands (noun)	EEC (noun)
a constitutional monarchy in western Europe on the North Sea; half the country lies below sea level	an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members