adda vs powwow

adda

noun
  • An informal meeting place for conversation. 

  • A session of chat. 

powwow

noun
  • A short, private conference. 

  • A Native American council or meeting. 

  • A large gathering during which Indigenous songs and dances are showcased for an audience, essentially a recital or concert. Often also doubles as a fundraiser, or can be held in conjunction with a non-indigneous fair or exhibition in order to attract a large crowd, as at the Calgary Stampede and K-Days. 

  • A ritual conducted by a Native American shaman. 

  • A Native American shaman. 

verb
  • To conduct a ritual in which magic is used. 

  • To hold a private conference. 

  • To hold a meeting; to gather together in council. 

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