Britain vs rag day

Britain and rag day both are nouns.

Word	Noun	Adjective	Verb	Adverb
Britain	Yes	No	No	No
rag day	Yes	No	No	No

Britain (noun)	rag day (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 day on which university students hold a rag