indigestible vs ravage

indigestible

noun
  • Anything that is difficult to digest. 

adj
  • Difficult or impossible to digest. 

  • Difficult to accept; unpalatable. 

ravage

noun
  • Grievous damage or havoc. 

  • Depredation or devastation. 

verb
  • To devastate or destroy something. 

  • To have vigorous sexual intercourse with. 

  • To pillage or sack something, to lay waste to something. 

  • To rape. 

  • To wreak destruction. 

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