United Mexican States vs Heroica Puebla de Zaragoza

United Mexican States and Heroica Puebla de Zaragoza both are nouns.

Word	Noun	Adjective	Verb	Adverb
United Mexican States	Yes	No	No	No
Heroica Puebla de Zaragoza	Yes	No	No	No

United Mexican States (noun)	Heroica Puebla de Zaragoza (noun)
a republic in southern North America; became independent from Spain in 1810	a city in south central Mexico (southeast of Mexico City) on the edge of central Mexican plateau