hang around vs hold on

hang around

verb
  • To stay, linger, or loiter. 

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

hold on

verb
  • To persist. 

  • To remain loyal. 

  • To grasp or grip firmly. 

  • To keep; to store something for someone. 

  • Wait a short while. 

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