adhesion vs attachment

adhesion

noun
  • Persistent attachment or loyalty. 

  • An abnormal union of surface by the formation of new tissue resulting from an inflammatory process. 

  • The ability of a substance to stick to an unlike substance. 

  • An agreement to adhere. 

  • The binding of a cell to a surface or substrate. 

  • The frictional grip on a surface, of wheels, shoes etc. 

attachment

noun
  • A strong bonding with or fondness for someone or something. 

  • The means by which something is physically attached. 

  • Taking a person's property to satisfy a court-ordered debt. 

  • A device attached to a piece of equipment or a tool. 

  • The act or process of (physically or figuratively) attaching. 

  • A file sent along with a message, usually an email. 

  • The act or process by which any (downward) leader connects to any available (upward) streamer in a lightning flash. 

  • A dependence, especially a strong one. 

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