china plate vs pardner

china plate

noun
  • Mate. 

  • a plate made of china. 

pardner

noun
  • A partner. 

  • A local community banking co-op, often set up as an initiative for a social group unable to get formal credit or bank accounts, notably West Indians in Britain. 

  • A friend or companion. 

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