ruffian vs varmint

ruffian

noun
  • A scoundrel, rascal, or unprincipled, deceitful, brutal and unreliable person. 

verb
  • To play the ruffian; to rage; to raise tumult. 

adj
  • Brutal; cruel; savagely boisterous; murderous. 

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 ruffian and varmint occurred in a corpus of books? (source: Google Ngram Viewer )