jailbait vs nymph

jailbait

noun
  • A sexually mature person below, or appearing to be below, the legal age of consent, who is regarded, usually by an adult, as being "temptingly" attractive and/or seductive. 

nymph

noun
  • A young girl, especially one who is attractive, beautiful or graceful. 

  • The larva of certain insects. 

  • Any female nature spirit associated with water, forests, grotto, wind, etc. 

  • Any of various butterflies of the family Nymphalidae. 

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