sex bomb vs vixen

sex bomb

noun
  • Someone who is highly physically attractive; a bombshell. 

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 sex bomb and vixen occurred in a corpus of books? (source: Google Ngram Viewer )