UK vs mod con

UK and mod con both are nouns.

Word	Noun	Adjective	Verb	Adverb
UK	Yes	No	No	No
mod con	Yes	No	No	No

UK (noun)	mod con (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	modern convenience; the appliances and conveniences characteristic of a modern house