insulting vs katagelastic

insulting

adj
  • Containing insult, or having the intention of insulting. 

noun
  • The act of giving insult. 

katagelastic

adj
  • Showing a predilection for mocking humor, that is, humor at the expense of others. 

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