dissipate vs fester

dissipate

verb
  • To use up or waste; squander. 

  • To drive away, disperse. 

  • To vanish by dispersion. 

  • To cause energy to be lost through its conversion to heat. 

fester

verb
  • To become septic; to become rotten. 

  • To worsen, especially due to lack of attention. 

  • To cause to fester or rankle. 

noun
  • The condition of something that festers; a festering; a festerment. 

  • A sore or an ulcer of the skin. 

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