U.K. vs intern

U.K. and intern both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.K.	Yes	No	No	No
intern	Yes	No	Yes	No

U.K. (noun)	intern (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	an advanced student or graduate in medicine gaining supervised practical experience

U.K. (verb)	intern (verb)
	deprive of freedom
	work as an intern