awayday vs convocation

awayday

noun
  • A business event, such as a team-building exercise, training course or internal meeting, that takes place away from the office without the usual distractions. 

convocation

noun
  • An assembly or meeting. 

  • The act of calling or assembling by summons. 

  • An assembly of the clergy, by their representatives, to consult on ecclesiastical affairs. 

  • An academic assembly, in which the business of a university is transacted. 

  • A flock of eagles. 

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