coopetition vs supervision

coopetition

noun
  • Conflict over how to divide up the benefits produced by cooperation, as for example in labor-management relations. 

  • Cooperation between commercial competitors for their mutual advantage. 

supervision

noun
  • The act or instance of supervising. 

  • A tutorial session for an individual student or a small group. 

  • Responsible oversight. 

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