ludo vs Great Britain

ludo and Great Britain both are nouns.

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

ludo (noun)	Great Britain (noun)
a simple board game in which players move counters according to the throw of dice	an island comprising England and Scotland and Wales
	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