gob vs Great Britain

gob and Great Britain both are nouns.

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

gob (noun)	Great Britain (noun)
informal terms for the mouth	an island comprising England and Scotland and Wales
a lump of slimy stuff	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
a man who serves as a sailor