surgery vs United Kingdom

surgery and United Kingdom both are nouns.

Word	Noun	Adjective	Verb	Adverb
surgery	Yes	No	No	No
United Kingdom	Yes	No	No	No

surgery (noun)	United Kingdom (noun)
a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body	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 room in a hospital equipped for the performance of surgical operations
a room where a doctor or dentist can be consulted
the branch of medical science that treats disease or injury by operative procedures