UK vs clapped out

UK is a noun but clapped out is not a noun.

Word	Noun	Adjective	Verb	Adverb
UK	Yes	No	No	No
clapped out	No	Yes	No	No

UK (noun)	clapped out (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

UK (adjective)	clapped out (adjective)
	worn from age or heavy use and no longer able to operate (of cars or machines or people)