wooden spoon vs Great Britain

wooden spoon and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
wooden spoon	Yes	No	No	No
Great Britain	Yes	No	No	No

wooden spoon (noun)	Great Britain (noun)
a spoon made of wood	an island comprising England and Scotland and Wales
a booby prize consisting of a spoon made of wood	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