anger vs dement

anger

verb
  • To become angry. 

  • To cause such a feeling of antagonism in. 

noun
  • A strong feeling of displeasure, hostility or antagonism towards someone or something, usually combined with an urge to harm, often stemming from perceived provocation, hurt, or threat. 

dement

verb
  • To drive mad; to craze 

noun
  • An insane person, or one afflicted with dementia 

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