colloquium vs cram school

colloquium

noun
  • An address to an academic meeting or seminar. 

  • A colloquy; a meeting for discussion. 

  • An academic meeting or seminar usually led by a different lecturer and on a different topic at each meeting. 

  • That part of the complaint or declaration in an action for defamation which shows that the words complained of were spoken concerning the plaintiff. 

cram school

noun
  • A specialized school that trains students to meet particular goals, most commonly to pass the entrance examinations of high schools or universities. 

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