crap vs have a shit

crap

intj
  • Expression of worry, fear, shock, surprise, disgust, annoyance, or dismay. 

noun
  • Faeces/feces. 

  • A losing throw of 2, 3, or 12 in craps. 

  • Something worthless or of poor quality; junk. 

  • An act of defecation. 

  • Nonsense; something untrue. 

verb
  • To defecate. 

  • To bullshit. 

  • To defecate in or on (clothing etc.). 

adj
  • Of poor quality. 

have a shit

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