call together vs come together

call together

verb
  • To request that (certain people) assemble; to gather (certain people) for a meeting. 

come together

verb
  • To assemble; to congregate. 

  • To achieve orgasm at the same time. 

  • To meet. 

  • To harmonize socially; to come to an amicable agreement; to ally or band together. 

  • To arrive at a destination with someone after having travelled there with each other. 

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