bring off vs come to someone's aid

bring off

verb
  • To bring away from; to bring by boat from a ship, a wreck, the shore, etc. 

  • To succeed in doing something considered to be very difficult. 

  • To bring to orgasm. 

come to someone's aid

verb
  • To assist and rescue someone. 

How often have the words bring off and come to someone's aid occurred in a corpus of books? (source: Google Ngram Viewer )