commotion vs pester

commotion

noun
  • An agitated disturbance or a hubbub. 

  • A state of turbulent motion. 

  • Sexual excitement. 

pester

noun
  • A bother or nuisance. 

verb
  • To bother, harass, or annoy persistently. 

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