praxis vs procedure

praxis

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

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

  • The deliberate action of a rational being. 

  • Custom or established practice. 

  • The practical application of any branch of learning. 

procedure

noun
  • The set of established forms or methods of an organized body for accomplishing a certain task or tasks. 

  • A particular method for performing a task. 

  • The steps taken in an action or other legal proceeding. 

  • A series of small tasks or steps taken to accomplish an end. 

  • A subroutine or function coded to perform a specific task, but does not return a value. 

  • A surgical operation. 

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