gambol vs skipping

gambol

noun
  • An instance of running or skipping about playfully. 

  • An instance of more general frisking or frolicking. 

verb
  • To move about playfully; to frolic. 

  • To do a forward roll. 

skipping

noun
  • The act by which something is skipped or omitted. 

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

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