Britain vs stone breaker

Britain and stone breaker both are nouns.

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

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