akh vs pardner

akh

noun
  • Brother; a close male friend or associate. 

  • In Egyptian mythology, (roughly) a spirit of the dead that has successfully completed its transition to the afterlife. 

pardner

noun
  • A friend or companion. 

  • 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 partner. 

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