campus vs polytechnic

campus

noun
  • An institution of higher education and its ambiance. 

  • The grounds or property of a school, college, university, business, church, or hospital, often understood to include buildings and other structures. 

verb
  • To use a campus board, or to climb without feet as one would on a campus board. 

  • To confine (a student) to campus as a punishment. 

polytechnic

noun
  • A three-year post-secondary vocational training institute, equivalent of community college in the U.S. or TAFE in Australia. 

adj
  • that teaches applied arts, sciences, technology, engineering and other academic subjects 

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