ravage vs vastation

ravage

noun
  • Depredation or devastation. 

  • Grievous damage or havoc. 

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. 

vastation

noun
  • Devastation, laying waste. 

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