street smarts vs perspicacity

street smarts and perspicacity both are nouns.

Word	Noun	Adjective	Verb	Adverb
street smarts	Yes	No	No	No
perspicacity	Yes	No	No	No

As nouns, perspicacity is a hypernym of street smarts; that is, perspicacity is a word with a broader meaning than street smarts:

street smarts: a shrewd ability to survive in a dangerous urban environment
perspicacity: intelligence manifested by being astute (as in business dealings)

Other hypernyms of street smarts include astuteness, perspicaciousness, shrewdness.

street smarts (noun)	perspicacity (noun)
a shrewd ability to survive in a dangerous urban environment	the capacity to assess situations or circumstances shrewdly and to draw sound conclusions
	intelligence manifested by being astute (as in business dealings)