geographical region vs Gaul

geographical region and Gaul both are nouns.

Word	Noun	Adjective	Verb	Adverb
geographical region	Yes	No	No	No
Gaul	Yes	No	No	No

geographical region (noun)	Gaul (noun)
a demarcated area of the Earth	an ancient region of western Europe that included what is now northern Italy and France and Belgium and part of Germany and the Netherlands
	a Celt of ancient Gaul
	a person of French descent