sex labourer vs trull

sex labourer

noun
  • Synonym of sex worker 

trull

noun
  • A female prostitute or harlot. 

  • A set of three special trump cards used in some Tarock games, having a higher value than the other trumps. 

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