importance vs street cred

importance

noun
  • personal status or standing. 

  • The quality or condition of being important or worthy of note. 

  • Something of importance. 

  • significance or prominence. 

street cred

noun
  • Credibility among young, hip urban dwellers; particularly important in the hip-hop and rap scenes. 

How often have the words importance and street cred occurred in a corpus of books? (source: Google Ngram Viewer )