mad as a March hare vs sociopathic

mad as a March hare

adj

  • Crazy, demented. 

sociopathic

noun

  • A sociopath. 

adj

  • Having the characteristics of a sociopath. 

  • Unconcerned about the adverse consequences of one's actions on others. 

How often have the words mad as a March hare and sociopathic occurred in a corpus of books? (source: Google Ngram Viewer )