diatribe vs insulting

diatribe

noun
  • An abusive, bitter, verbal attack or criticism: denunciation. 

  • A speech or writing which bitterly denounces something. 

  • A prolonged discourse. 

insulting

noun
  • The act of giving insult. 

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

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