Britain vs dickey

Britain and dickey both are nouns.

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

Britain (noun)	dickey (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	a man's detachable insert (usually starched) to simulate the front of a shirt
	a small third seat in the back of an old-fashioned two-seater

Britain (adjective)	dickey (adjective)
	(British informal) faulty