United Kingdom of Great Britain and Northern Ireland vs limited company

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

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

United Kingdom of Great Britain and Northern Ireland (noun)	limited company (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	a company that is organized to give its owners limited liability