chimpanzee vs mischief

chimpanzee

noun
  • Pan troglodytes, a species of great ape in the genus Pan, native to Africa, and believed by biologists to be the closest extant relative to humans along with the bonobo. 

  • A member of the genus Pan, including the bonobo which is also known as the pygmy chimpanzee. 

mischief

noun
  • A group or a pack of rats. 

  • Casual and/or flirtatious sexual acts. 

  • A playfully annoying action. 

  • A criminal offence defined in various ways in various jurisdictions, sometimes including causing damage to another's property. 

  • Conduct that playfully causes petty annoyance. 

  • The Devil; used as an expletive. 

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