United Kingdom of Great Britain and Northern Ireland vs Open University

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

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

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