Thing vs tribunal

Thing

noun
  • A public assembly or judicial council in a Germanic country. 

  • Nickname or appellative for numerous "things", including fictional characters. 

  • Nickname for the Volkswagen 181. 

tribunal

noun
  • An assembly including one or more judges to conduct judicial business; a court of law. 

  • A kind of village hall used to transact business, to quarter troops and travellers, and to confine prisoners. 

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