GI vs Packer

GI

noun
  • A member of the U.S. military. 

  • One who is demanding and strict, in the manner of a stereotypical member of the military. 

verb
  • To clean aggressively. 

Packer

noun
  • A person who plays football for the Green Bay Packers professional football team. 

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