campus vs grounds

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. 

grounds

noun
  • The collective land areas that compose a larger area. 

  • The sediment at the bottom of a liquid, or from which a liquid has been filtered. 

  • Basis or justification for something. 

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