boffola vs ha-ha

boffola

noun
  • A coarse or farcical gag; a joke provoking hearty laughter. 

ha-ha

noun
  • Something funny; a joke. 

  • A laugh. 

  • A ditch with one vertical side, acting as a sunken fence, designed to block the entry of animals into lawns and parks without breaking sightlines. 

intj
  • An approximation of the sound of laughter. 

verb
  • To laugh. 

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