come together vs unite

come together

verb
  • To meet. 

  • To achieve orgasm at the same time. 

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

  • To assemble; to congregate. 

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

unite

verb
  • To come together as one. 

  • To bring together as one. 

noun
  • A British gold coin worth 20 shillings, first produced during the reign of King James I, and bearing a legend indicating the king's intention of uniting the kingdoms of England and Scotland. 

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