badger vs bison

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. 

bison

noun
  • A large, wild bovid of the genus Bison. 

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