Japayuki-san vs mot

Japayuki-san

noun
  • A Filipina who travels to Japan to work as an entertainer, with implications of prostitution. 

mot

noun
  • A prostitute. 

  • A witty remark; a witticism; a bon mot. 

  • A woman; a wife. 

  • A landlady. 

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