disciplinary vs occupational

disciplinary

adj
  • Of or relating to an academic field of study. 

  • Having to do with discipline, or with the imposition of discipline. 

  • For the purpose of imposing punishment. 

  • We hope that psychologists will applaud good studies of scientific behavior and thought regardless of the disciplinary specialty of the author. 

noun
  • A disciplinary action. 

occupational

adj
  • Of, belonging, or relating to an occupation (in any sense). 

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