come for vs set upon

come for

verb
  • To target someone for competition or attack. 

  • To search for someone with the intent to apprehend or cause harm. 

  • Used other than figuratively or idiomatically: see come, for. 

set upon

verb
  • To attack someone. 

  • To begin an activity; to embark upon a course of action. 

How often have the words come for and set upon occurred in a corpus of books? (source: Google Ngram Viewer )