behavior vs sloth

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. 

sloth

noun
  • Laziness; slowness in the mindset; disinclination to action or labour. 

  • A herbivorous, arboreal South American mammal of the families Megalonychidae and Bradypodidae, noted for its slowness and inactivity. 

  • A collective term for a group of bears. 

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