ratable vs United Kingdom of Great Britain and Northern Ireland

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

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

ratable (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

ratable (adjective)	United Kingdom of Great Britain and Northern Ireland (adjective)
liable to payment of locally assessed property taxes