praxis vs procedures

praxis

noun
  • The synthesis of theory and practice, without presuming the primacy of either. 

  • The deliberate action of a rational being. 

  • Custom or established practice. 

  • An example or form of exercise, or a collection of such examples, for practice. 

  • The practical application of any branch of learning. 

procedures

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