prostitution vs whoring

prostitution

noun
  • Engaging in sexual activity with another person in exchange for goods (not necessarily money) or services. 

  • Debasement for profit or impure motives. 

  • Engaging in sexual activity with another person for pay. 

whoring

noun
  • Synonym of prostitution, having sex for money; (figurative) disgracing oneself for money; having promiscuous sex. 

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