f vs shiz

f

noun
  • fuck 

  • Folio, paper and book size (10"-12.5" x 15"-20") 

symbol
  • The name of the fourth tone of the model scale, or scale of C. F sharp (F♯) is a tone intermediate between F and G. 

character
  • The sixth letter of the English alphabet, called ef and written in the Latin script. 

shiz

noun
  • shit; excrement 

  • something cool, e.g. 'That's the shiz' meaning 'That's awesome' or 'That's really cool'. 

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