Great Britain vs victualler

Great Britain and victualler both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
victualler	Yes	No	No	No

Great Britain (noun)	victualler (noun)
an island comprising England and Scotland and Wales	a supplier of victuals or supplies to an army
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	an innkeeper (especially British)