Holland vs EC

Holland and EC both are nouns.

Word	Noun	Adjective	Verb	Adverb
Holland	Yes	No	No	No
EC	Yes	No	No	No

Holland (noun)	EC (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