devotee vs slave-girl

devotee

noun
  • Someone with an amputee fetish. 

  • A fanatical or zealous believer in a particular religion or god. 

  • An ardent enthusiast or admirer. 

slave-girl

noun
  • A female required to perform sexual acts, a sex slave. 

  • A female slave. 

How often have the words devotee and slave-girl occurred in a corpus of books? (source: Google Ngram Viewer )