not (quite) right in the head vs sociopathic

not (quite) right in the head

sociopathic

adj

  • Having the characteristics of a sociopath. 

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

noun

  • A sociopath. 

How often have the words not (quite) right in the head and sociopathic occurred in a corpus of books? (source: Google Ngram Viewer )