harlot vs ladette

harlot

noun
  • A female who is considered promiscuous. 

adj
  • Wanton; lewd; low; base. 

verb
  • To play the harlot; to practice lewdness. 

ladette

noun
  • A young woman who behaves in a laddish manner, namely being boisterous and loud and drinking to excess. 

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