badger vs mongrel

badger

noun
  • Any mammal of three subfamilies, which belong to the family Mustelidae: Melinae (Eurasian badgers), Mellivorinae (ratel or honey badger), and Taxideinae (American badger). 

  • A native or resident of the American state, Wisconsin. 

verb
  • To pester; to annoy persistently; to press. 

mongrel

noun
  • Someone or something of mixed kind or uncertain origin, especially a dog. 

  • A thuggish, obnoxious, or contemptible person; (often preceded by "poor") a pitiable person. 

  • An erect penis; an erection. 

adj
  • Of mixed breed, nature, or origin; of or like a mongrel. 

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