delight vs pester

delight

verb
  • To give delight to; to affect with great pleasure; to please highly. 

  • To have or take great pleasure. 

noun
  • Joy; pleasure. 

  • Something that gives great joy or pleasure. 

pester

verb
  • To bother, harass, or annoy persistently. 

noun
  • A bother or nuisance. 

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