hasty pudding vs Great Britain

hasty pudding and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
hasty pudding	Yes	No	No	No
Great Britain	Yes	No	No	No

hasty pudding (noun)	Great Britain (noun)
cornmeal mush served with sweetening (maple syrup or brown sugar)	an island comprising England and Scotland and Wales
sweetened porridge made of tapioca or flour or oatmeal cooked quickly in milk or water	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