county vs United Kingdom of Great Britain and Northern Ireland

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

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

county (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
(United Kingdom) a region created by territorial division for the purpose of local government	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
(United States) the largest administrative district within a state