pakapoo vs tombola

pakapoo

noun
  • A Chinese lottery game popular in Oceania in the 19th century, involving tickets marked with rows of Chinese characters. 

tombola

noun
  • A lottery in which winning tickets are drawn from a revolving drum. 

  • The drum from which the tickets are drawn. 

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