starkers vs United Kingdom of Great Britain and Northern Ireland

starkers is not a noun while United Kingdom of Great Britain and Northern Ireland is a noun.

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

starkers (noun)	United Kingdom of Great Britain and Northern Ireland (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

starkers (adjective)	United Kingdom of Great Britain and Northern Ireland (adjective)
(British informal) stark naked