United Kingdom of Great Britain and Northern Ireland vs clever Dick

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

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

United Kingdom of Great Britain and Northern Ireland (noun)	clever Dick (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	an intellectual who is ostentatiously and irritatingly knowledgeable