United Kingdom of Great Britain and Northern Ireland vs housing estate

United Kingdom of Great Britain and Northern Ireland and housing estate both are nouns.

Word	Noun	Adjective	Verb	Adverb
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No
housing estate	Yes	No	No	No

United Kingdom of Great Britain and Northern Ireland (noun)	housing estate (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 residential area where the houses were all planned and built at the same time