United Kingdom of Great Britain and Northern Ireland vs land agent

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

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

United Kingdom of Great Britain and Northern Ireland (noun)	land agent (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 person who administers a landed estate
	a person who is authorized to act as an agent for the sale of land