mews vs Great Britain

mews and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
mews	Yes	No	No	No
Great Britain	Yes	No	No	No

mews (noun)	Great Britain (noun)
street lined with buildings that were originally private stables but have been remodeled as dwellings	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