Chihuahua City vs Chihuahua

Chihuahua City and Chihuahua both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chihuahua City	Yes	No	No	No
Chihuahua	Yes	No	No	No

As nouns, Chihuahua City and Chihuahua are synonyms defined as:

Chihuahua City and Chihuahua: a city in northern Mexico in the state of Chihuahua; commercial center of northern Mexico

Chihuahua City (noun)	Chihuahua (noun)
a city in northern Mexico in the state of Chihuahua; commercial center of northern Mexico	an old breed of tiny short-haired dog with protruding eyes from Mexico held to antedate Aztec civilization
	the largest state in Mexico; mostly high plateau
	a city in northern Mexico in the state of Chihuahua; commercial center of northern Mexico