Fritz vs spunk

Fritz

noun
  • A German person, usually male. 

name
  • A male given name from German. 

  • A name used to represent the German people (particularly the German armed forces) as a group. 

spunk

noun
  • An attractive person (normally male). 

  • Touchwood; tinder. 

  • Courage; spirit; mettle; determination. 

  • Semen. 

verb
  • To ejaculate. 

  • To waste (money etc.). 

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