insulting vs pestilential

insulting

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

noun
  • The act of giving insult. 

pestilential

adj
  • Causing irritation or annoyance. 

  • Caused by pestilence. 

  • Spreading in the manner of pestilence. 

  • During which pestilence spreads. 

  • Producing, spreading, promoting or infected with pestilence; causing infection. 

  • Having a harmful moral effect (especially one that is believed to spread in the manner of pestilence). 

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