sell one's body vs whore out

sell one's body

verb
  • To work as a prostitute. 

whore out

verb
  • To prostitute, take advantage of, exploit, show off; to hire out or provide to others like a whore. 

  • To pimp; to offer (one's sex partner) to others. 

  • To do something debasing for money. 

How often have the words sell one's body and whore out occurred in a corpus of books? (source: Google Ngram Viewer )