beset vs pester

beset

verb
  • To attack or assail, especially from all sides. 

  • Of a ship, to get trapped by ice. 

  • To surround or hem in. 

  • To decorate something with jewels etc. 

pester

verb
  • To bother, harass, or annoy persistently. 

noun
  • A bother or nuisance. 

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