come for vs lead on

come for

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

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

  • To target someone for competition or attack. 

lead on

verb
  • Used other than figuratively or idiomatically: see lead, on. 

  • to mislead, to try to make someone believe a lie. 

  • to encourage with the illusion of a romantic relationship. 

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