hurtful vs pestiferous

hurtful

adj
  • Tending to hurt someone's feelings; insulting. 

  • Tending to impair or damage; injurious; occasioning loss or injury. 

pestiferous

adj
  • annoying, vexatious 

  • containing organisms that cause contagious diseases 

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