mug vs Great Britain

mug and Great Britain both are nouns.

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

mug (noun)	Great Britain (noun)
with handle and usually cylindrical	an island comprising England and Scotland and Wales
the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)	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 person who is gullible and easy to take advantage of
the quantity that can be held in a mug

mug (verb)	Great Britain (verb)
To stare awkwardly
rob at gunpoint or with the threat of violence