Great Britain vs pease pudding

Great Britain and pease pudding both are nouns.

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

Great Britain (noun)	pease pudding (noun)
an island comprising England and Scotland and Wales	a pudding made with strained split peas mixed with egg
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