prescription vs purism

prescription

noun
  • The act of establishing or formalizing ideal norms for language use, as opposed to describing the actual norms of such use; an instance of this. 

  • A written order from an authorized medical practitioner for provision of a medicine or other treatment, such as (ophthalmology) the specific lenses needed for a pair of glasses. 

  • An established time period after which a person who has uninterruptedly, peacefully, and publicly used another's property acquires full ownership of it. 

  • Synonym of enactment, the act of establishing a law, regulation, etc., particularly in writing; an instance of this. 

  • An established time period within which a right must be exercised and after which it is null and permanently unenforceable. 

  • Any plan of treatment or planned treatment. 

  • The medicine or treatment provided by such an order. 

adj
  • only available with a physician or nurse practitioner's written prescription 

purism

noun
  • An example of purist language etc. 

  • The desire to use words and forms derived from what is considered the native element in a given language instead of elements considered borrowed or foreign. 

  • An insistence on the traditionally correct way of doing things. 

  • An insistence on pure or unmixed forms. 

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