campus vs quadrangle

campus

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

  • An institution of higher education and its ambiance. 

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. 

quadrangle

noun
  • The buildings forming the border of such a courtyard. 

  • A geometric shape with four angles and four straight sides; a four-sided polygon. 

  • A courtyard which is quadrangular. 

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