scullery vs United Kingdom of Great Britain and Northern Ireland

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

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

scullery (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a small room (in large old British houses) next to the kitchen; where kitchen utensils are cleaned and kept and other rough household jobs are done	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