bagatelle vs UK

bagatelle and UK both are nouns.

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

bagatelle (noun)	UK (noun)
a table game in which short cues are used to knock balls into holes that are guarded by wooden pegs; penalties are incurred if the pegs are knocked over	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
something of little value or significance
a light piece of music for piano