skipping vs upspring

skipping

noun
  • The game, activity, or exercise of jump rope. 

  • The act by which something is skipped or omitted. 

upspring

noun
  • A spring or leap into the air. 

  • origin 

verb
  • To spring up, rise up, originate, come into being. 

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