accouple vs inosculate

accouple

inosculate

verb
  • To homogenize; to make continuous. 

  • To open into. 

  • To unite. 

  • To intercommunicate; to interjoin. 

adj
  • Pertaining to or characterized by inosculation. 

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