Highway Code vs United Kingdom of Great Britain and Northern Ireland

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

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

Highway Code (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
the code of rules governing the use of public roads	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