afternoon tea vs UK

afternoon tea and UK both are nouns.

Word	Noun	Adjective	Verb	Adverb
afternoon tea	Yes	No	No	No
UK	Yes	No	No	No

afternoon tea (noun)	UK (noun)
a light midafternoon meal of tea and sandwiches or cakes	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