come together vs regroup

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. 

regroup

verb
  • To group or categorize again. 

  • To pause and get organized again. 

noun
  • An act of regrouping. 

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