United Kingdom of Great Britain and Northern Ireland vs slate club

United Kingdom of Great Britain and Northern Ireland and slate club both are nouns.

Word	Noun	Adjective	Verb	Adverb
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No
slate club	Yes	No	No	No

United Kingdom of Great Britain and Northern Ireland (noun)	slate club (noun)
a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom	a group of people who save money in a common fund for a specific purpose (usually distributed at Christmas)