consent vs prohibition

consent

noun
  • Voluntary agreement or permission. 

verb
  • To express willingness, to give permission. 

  • To cause to sign a consent form. 

  • To agree in opinion or sentiment; to be of the same mind; to accord; to concur. 

prohibition

noun
  • A law prohibiting the manufacture or sale of alcohol. 

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

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

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