disimprovement vs ravage

disimprovement

noun
  • Reduction from a better to a worse state. 

  • attempt to make something better while ending up worse than before. 

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. 

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