Military Intelligence Section 5 vs United Kingdom of Great Britain and Northern Ireland

Military Intelligence Section 5 and United Kingdom of Great Britain and Northern Ireland both are nouns.

Word	Noun	Adjective	Verb	Adverb
Military Intelligence Section 5	Yes	No	No	No
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No

Military Intelligence Section 5 (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory	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