flippant vs jesting

flippant

adj

  • Showing disrespect through a casual attitude, levity, and a lack of due seriousness; pert. 

  • nimble; limber. 

jesting

adj

  • playful; mocking 

  • humorous 

  • facetious 

  • jeering 

noun

  • bantering; ridicule 

  • joking 

  • mocking 

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