shoulder flash vs Britain

shoulder flash and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
shoulder flash	Yes	No	No	No
Britain	Yes	No	No	No

shoulder flash (noun)	Britain (noun)
something worn on the shoulder of a military uniform as an emblem of a division etc.	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