academic institution vs colloquium

academic institution

noun
  • An educational institution, dedicated to teaching and/or research. 

  • An educational institution, dedicated to higher education and research, that grants academic degrees. 

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. 

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