academe vs academic institution

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. 

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. 

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