commanding vs streets ahead

commanding

adj
  • Impressively dominant. 

  • Tending to give commands, authoritarian. 

  • Dominating from above, giving a wide view 

noun
  • The act of giving a command. 

streets ahead

adj
  • Far superior; much better or more advanced. 

How often have the words commanding and streets ahead occurred in a corpus of books? (source: Google Ngram Viewer )