carry out vs hold on

carry out

verb
  • To hold while moving it out. 

  • To execute or perform; to put into operation; to do. 

  • To fulfill. 

hold on

verb
  • To grasp or grip firmly. 

  • To remain loyal. 

  • To persist. 

  • To keep; to store something for someone. 

  • Wait a short while. 

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