academia vs gymnasium

academia

noun
  • Continuous study at higher education institutions; scholarship. 

  • The scientific and cultural community engaged in higher education and research, taken as a whole. 

gymnasium

noun
  • A type of secondary school in some European countries which typically prepares students for university. 

  • A large room or building for indoor sports. 

  • A public place or building where Ancient Greek youths took exercise, with running and wrestling grounds, baths, and halls for conversation. 

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