Great Britain vs slop bowl

Great Britain and slop bowl both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
slop bowl	Yes	No	No	No

Great Britain (noun)	slop bowl (noun)
an island comprising England and Scotland and Wales	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