goof off vs hang around

goof off

verb
  • To dawdle, lollygag; to waste time aimlessly or engage in idle activity or inactivity. 

hang around

verb
  • To stay, linger, or loiter. 

  • To spend time or be friends. (especially to hang around with someone) 

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