Jerez vs Jerez de la Frontera

Jerez and Jerez de la Frontera both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jerez	Yes	No	No	No
Jerez de la Frontera	Yes	No	No	No

As nouns, Jerez and Jerez de la Frontera are synonyms defined as:

Jerez and Jerez de la Frontera: a city in southwestern Spain that is famous for making sherry

Jerez (noun)	Jerez de la Frontera (noun)
a city in southwestern Spain that is famous for making sherry	a city in southwestern Spain that is famous for making sherry