cadge vs convocation

cadge

noun
  • A circular frame on which cadgers carry hawks for sale. 

verb
  • To carry, as a burden. 

  • To intrude or live on another meanly; to beg. 

  • To beg. 

  • To obtain something by wit or guile; to convince people to do something they might not normally do. 

  • To carry hawks and other birds of prey. 

  • To hawk or peddle, as fish, poultry, etc. 

convocation

noun
  • A flock of eagles. 

  • 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. 

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