bargirl vs karayuki-san

bargirl

noun
  • A female who works as a hostess in a bar, typically in Southeast Asia and catering to male clients, and who may provide personal entertainment or sexual services. 

karayuki-san

noun
  • A Japanese girl from a poor agricultural region who was sent abroad to work as a prostitute. 

How often have the words bargirl and karayuki-san occurred in a corpus of books? (source: Google Ngram Viewer )