fiend vs varmint

fiend

noun
  • An addict or fanatic. 

  • A very evil person. 

  • A devil or demon; a malignant or diabolical being; an evil spirit. 

verb
  • To yearn; to be desperate (for something). 

varmint

noun
  • An obnoxious person or troublemaker. 

  • A pestering animal such as one that kills or harasses a farmer's livestock or crops. 

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