Chihuahua vs Chihuahua City

Chihuahua and Chihuahua City both are nouns.

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

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

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

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