insulting vs risible

insulting

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

noun
  • The act of giving insult. 

risible

adj
  • Provoking laughter; ludicrous; ridiculous; humorously insignificant 

  • Easily laughing; prone to laughter 

  • Of or pertaining to laughter 

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