slop basin vs United Kingdom of Great Britain and Northern Ireland

slop basin and United Kingdom of Great Britain and Northern Ireland both are nouns.

Word	Noun	Adjective	Verb	Adverb
slop basin	Yes	No	No	No
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No

slop basin (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a bowl into which the dregs of teacups and coffee cups are emptied at the table	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