giro cheque vs Great Britain

giro cheque and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
giro cheque	Yes	No	No	No
Great Britain	Yes	No	No	No

giro cheque (noun)	Great Britain (noun)
a check given by the British government to someone who is unemployed; it can be cashed either at a bank or at the post office	an island comprising England and Scotland and Wales
	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