street cred vs street credibility

street cred and street credibility both are nouns.

Word	Noun	Adjective	Verb	Adverb
street cred	Yes	No	No	No
street credibility	Yes	No	No	No

As nouns, street cred and street credibility are synonyms defined as:

street cred and street credibility: credibility among young fashionable urban individuals

Other synonyms of street cred include cred.

street cred (noun)	street credibility (noun)
credibility among young fashionable urban individuals	credibility among young fashionable urban individuals