year dot vs Britain

year dot and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
year dot	Yes	No	No	No
Britain	Yes	No	No	No

year dot (noun)	Britain (noun)
as long ago as anyone can remember	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