Santa Cruz de la Sierra vs Santa Cruz

Santa Cruz de la Sierra and Santa Cruz both are nouns.

Word	Noun	Adjective	Verb	Adverb
Santa Cruz de la Sierra	Yes	No	No	No
Santa Cruz	Yes	No	No	No

As nouns, Santa Cruz de la Sierra and Santa Cruz are synonyms defined as:

Santa Cruz de la Sierra (noun)	Santa Cruz (noun)
a city in central Bolivia	a town in western California on Monterey Bay; a tourist center
	a city in central Bolivia