betty vs vixen

betty

noun
  • An attractive woman; a babe. 

  • A short bar used by thieves to wrench doors open; a jimmy. 

  • A baked dessert made with alternating layers of sweetened fruit and buttered bread crumbs. 

vixen

noun
  • A racy or salacious woman who is sexually attractive. 

  • A female fox. 

  • A malicious, quarrelsome or temperamental woman. 

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

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