behavior vs perversity

behavior

noun
  • The way a living creature behaves or acts generally. 

  • An instance of the way a living creature behaves. 

  • The way a device or system operates. 

  • Observable response produced by an organism. 

  • Human conduct relative to social norms. 

  • A state of probation about one's conduct. 

perversity

noun
  • The quality of being perverse. 

  • A perverse act. 

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