stone breaker vs Britain

stone breaker and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
stone breaker	Yes	No	No	No
Britain	Yes	No	No	No

stone breaker (noun)	Britain (noun)
someone who breaks up stone	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