UK vs assurance

UK and assurance both are nouns.

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

UK (noun)	assurance (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	freedom from doubt; belief in yourself and your abilities
	a statement intended to inspire confidence
	a binding commitment to do or give or refrain from something
	a British term for some kinds of insurance