rustication vs United Kingdom of Great Britain and Northern Ireland

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

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

rustication (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
the action of retiring to and living in the country	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
banishment into the country
the construction of masonry or brickwork in a rustic manner
temporary dismissal of a student from a university
the condition naturally attaching to life in the country