academe vs phrontistery

academe

noun
  • An academy; a place of learning. 

  • The name of the garden in Athens where the academics met. 

  • A senior member of the staff at an institution of higher learning; pedant. 

  • The scholarly life, environment, or community. 

phrontistery

noun
  • An establishment devoted to education or study. 

  • A place for thinking. 

  • The toilet; the lavatory. 

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