formulary vs procedure

formulary

noun
  • A list of formulas; a collection of set forms to be followed, especially in religious belief. 

  • A pharmacopoeia or list of available drugs, particularly prescription drugs 

  • A list of drugs, created by health insurers, hospitals, or prescription drug plans, that defines how costs for any drug are shared between patient and health care provider, typically broken down by tiers such as preferred generics with lowest copay, or preferred brand with higher copay, or non-preferred brand and not covered tiers with the highest cost to the patient. 

  • An ancient or medieval collection of models for official writings. 

  • A collection of formulas in sciences and mathematics. 

adj
  • Stated; prescribed; ritual. 

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 formulary and procedure occurred in a corpus of books? (source: Google Ngram Viewer )