mischief vs pester

mischief

noun
  • Conduct that playfully causes petty annoyance. 

  • Casual and/or flirtatious sexual acts. 

  • A playfully annoying action. 

  • A group or a pack of rats. 

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

  • The Devil; used as an expletive. 

pester

noun
  • A bother or nuisance. 

verb
  • To bother, harass, or annoy persistently. 

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