goof vs impropriety

goof

noun
  • A mistake or error. 

  • An error made during production which finds its way into the final release. 

  • A foolish and/or silly person; a goofball. 

  • A child molester. 

verb
  • To make a mistake. 

  • To engage in mischief. 

impropriety

noun
  • An improper act. 

  • The condition of being improper. 

  • Improper language. 

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