boo-boo vs indigestible

boo-boo

noun
  • Feces. 

  • A minor injury, such as a cut or a bruise. 

  • A mistake or error. 

verb
  • To defecate. 

  • To make a mistake. 

indigestible

noun
  • Anything that is difficult to digest. 

adj
  • Difficult or impossible to digest. 

  • Difficult to accept; unpalatable. 

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