Gen-Zer vs Z

Gen-Zer

noun
  • A member of Generation Z. 

Z

noun
  • A member of Generation Z. 

  • Z-drug. 

character
  • The twenty-sixth letter of the English alphabet, called zed or zee and written in the Latin script. 

How often have the words Gen-Zer and Z occurred in a corpus of books? (source: Google Ngram Viewer )