tod vs vixen

tod

noun
  • A fox in general. 

  • A bush, especially of ivy. 

  • A male fox. 

  • An old English measure of weight, usually of wool, containing two stone or 28 pounds (13 kg). 

  • Someone like a fox; a crafty person. 

vixen

noun
  • A female fox. 

  • A malicious, quarrelsome or temperamental woman. 

  • A racy or salacious woman who is sexually attractive. 

  • A wife who has sex with other men with her husband's consent. 

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