high tea vs Britain

high tea and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
high tea	Yes	No	No	No
Britain	Yes	No	No	No

high tea (noun)	Britain (noun)
substantial early evening meal including tea	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