collegiate vs polytechnic

collegiate

adj
  • Collegial. 

  • Of, or relating to a college, or college students. 

noun
  • A high school. 

  • An inmate of a prison. 

polytechnic

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

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

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