U.K. vs giro

U.K. and giro both are nouns.

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

U.K. (noun)	giro (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	a British financial system in which a bank or a post office transfers money from one account to another when they receive authorization to do so
	a check given by the British government to someone who is unemployed; it can be cashed either at a bank or at the post office