leading vs successive

leading

noun
  • Vertical space added between lines; line spacing. 

  • An act by which one is led or guided. 

adj
  • Providing guidance or direction. 

  • Occurring in advance; preceding. 

  • Ranking first. 

successive

adj
  • Of or relating to the grammatical aspect which presupposes the completion of a secondary action as a premise for the primary action of the statement. 

  • Of, or relating to a succession; hereditary. 

  • Coming one after the other in a series. 

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