discomfort vs pester

discomfort

verb
  • To cause annoyance or distress to. 

noun
  • Mental or bodily distress. 

  • Something that disturbs one’s comfort; an annoyance. 

pester

verb
  • To bother, harass, or annoy persistently. 

noun
  • A bother or nuisance. 

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