come for vs get it

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. 

get it

verb
  • Used other than figuratively or idiomatically: see get, it. 

  • To get what's coming to one: to feel someone's wrath; to receive punishment; to receive a retaliation; to receive a beating. 

  • To have sex, especially referring to its possibility or eventuality. 

  • To understand something, to catch on. 

intj
  • Used to encourage someone, especially to indicate that someone is doing something well. 

  • Used to draw attention to a pun or other joke one has made. 

  • Do you understand? Have you heard? (after explaining or giving an order) 

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