tea vs UK

tea and UK both are nouns.

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

tea (noun)	UK (noun)
a beverage made by steeping tea leaves in water	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 light midafternoon meal of tea and sandwiches or cakes
dried leaves of the tea shrub; used to make tea
a tropical evergreen shrub or small tree extensively cultivated in e.g. China and Japan and India; source of tea leaves