bother vs pest

bother

noun
  • Trouble, inconvenience. 

  • Fuss, ado. 

intj
  • A mild expression of annoyance. 

verb
  • To do something which is of negligible inconvenience. 

  • To feel care or anxiety; to make or take trouble; to be troublesome. 

  • To annoy, to disturb, to irritate. 

pest

noun
  • An annoying person, a nuisance. 

  • Any destructive insect that attacks crops or livestock; an agricultural pest. 

  • An animal regarded as a nuisance, destructive, or a parasite, vermin. 

  • An invasive weed. 

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