formulary vs ordinal

formulary

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

  • 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. 

  • A collection of formulas in sciences and mathematics. 

adj
  • Stated; prescribed; ritual. 

ordinal

noun
  • A book used in the ordination of Anglican ministers, or in certain Roman Catholic services 

  • An ordinal number such as first, second and third. 

  • 2005, F. M. Wheelock, Wheelock’s Latin, 6th edition, revised, page 97 

  • The most common numerals in Latin, as in English, are the "cardinals"[…]and the "ordinals"[…] 

adj
  • Intercardinal. 

  • Pertaining to a taxon at the rank of order. 

  • Indicating position in a sequence. 

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