prostitution vs statutory rape

prostitution

noun
  • Engaging in sexual activity with another person for pay. 

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

  • Debasement for profit or impure motives. 

statutory rape

noun
  • An illegal act of sexual intercourse by an adult with a person under the legal age of consent for sex, or with another adult who is not able to consent because of intellectual disability. 

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