Japayuki-san vs almah

Japayuki-san

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

almah

noun
  • An Egyptian singer or dancing-girl used for entertainment; a dancing-girl, a prostitute. 

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