approbation vs prohibition

approbation

noun
  • The act of approving; an assenting to the propriety of a thing with some degree of pleasure or satisfaction; approval, sanction, commendation or official recognition. 

prohibition

noun
  • An act of prohibiting, forbidding, disallowing, or proscribing something. 

  • A law prohibiting the manufacture or sale of alcohol. 

  • A period of time when specific socially disapproved consumables are considered controlled substances. 

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