Thing vs nickname

Thing

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

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

  • Nickname for the Volkswagen 181. 

nickname

noun
  • A familiar, shortened or diminutive name for a person or thing. 

  • A familiar, invented name for a person or thing used instead of the actual name of the person or thing, often based on some noteworthy characteristic. 

verb
  • To give a nickname to (a person or thing). 

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