Ministry of Transportation test vs Great Britain

Ministry of Transportation test and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ministry of Transportation test	Yes	No	No	No
Great Britain	Yes	No	No	No

Ministry of Transportation test (noun)	Great Britain (noun)
a compulsory annual test of older motor vehicles for safety and exhaust fumes	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