assembly vs convocation

assembly

noun
  • A legislative body. 

  • A building block of an application, similar to a DLL, but containing both executable code and information normally found in a DLL's type library. The type library information in an assembly, called a manifest, describes public functions, data, classes, and version information. 

  • A beat of the drum or sound of the bugle as a signal to troops to assemble. 

  • A congregation of people in one place for a purpose. 

  • A set of pieces that work together in unison as a mechanism or device. 

  • The act of putting together a set of pieces, fragments, or elements. 

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 assembly and convocation occurred in a corpus of books? (source: Google Ngram Viewer )