inosculate vs unite

inosculate

verb
  • To unite. 

  • To homogenize; to make continuous. 

  • To open into. 

  • To intercommunicate; to interjoin. 

adj
  • Pertaining to or characterized by inosculation. 

unite

verb
  • To bring together as one. 

  • To come 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 inosculate and unite occurred in a corpus of books? (source: Google Ngram Viewer )