jest vs pun

jest

verb
  • To tell a joke; to talk in a playful manner; to make fun of something or someone. 

pun

verb
  • To make or tell a pun; to make a play on words. 

  • To beat; strike with force; to ram; to pound, as in a mortar; reduce to powder, to pulverize. 

noun
  • A joke or type of wordplay in which similar definitions or sounds of two words or phrases, or different definitions of the same word, are deliberately confused. 

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