Brummagem vs Britain

Brummagem and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brummagem	Yes	Yes	No	No
Britain	Yes	No	No	No

Brummagem (noun)	Britain (noun)
a city in central England; 2nd largest English city and an important industrial and transportation center	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

Brummagem (adjective)	Britain (adjective)
cheap and showy