innovative vs leading-edge

innovative

adj
  • Forward-looking; ahead of current thinking. 

  • Characterized by the creation of new ideas or inventions. 

leading-edge

adj
  • leading, latest or most up-to-date 

  • Of or pertaining to the leading edge of an airfoil 

How often have the words innovative and leading-edge occurred in a corpus of books? (source: Google Ngram Viewer )