jobcentre vs United Kingdom of Great Britain and Northern Ireland

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

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

jobcentre (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a government office in a town where information about available jobs is displayed and where unemployment benefits are administered	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