cojoin vs inosculate

cojoin

verb
  • To join together; to conjoin. 

inosculate

verb
  • To unite. 

  • To homogenize; to make continuous. 

  • To open into. 

  • To intercommunicate; to interjoin. 

adj
  • Pertaining to or characterized by inosculation. 

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