pavement princess vs sex worker

pavement princess

noun
  • A female prostitute who seeks clients on the street. 

  • A vehicle (pickup truck, ute, or SUV) that has good off-road capabilities (often modified with the installation of large wheels, large tires, or lifted suspensions in order to increase off-road performance or appear more aggressive), but is rarely taken off-road. 

sex worker

noun
  • A person who supplies sex work (short-term sexual services) in exchange for compensation. 

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