ratability vs United Kingdom of Great Britain and Northern Ireland

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

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

ratability (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
the quality of being capable of being rated or estimated	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
the state of being liable to assessment or taxation