Open University vs United Kingdom of Great Britain and Northern Ireland

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

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

Open University (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a British university that is open to people without formal academic qualifications and where teaching is by correspondence or broadcasting or summer school	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