potboy vs Britain

potboy and Britain both are nouns.

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

potboy (noun)	Britain (noun)
a worker in an inn or public house who serves customers and does various chores	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