blockage vs prohibition

blockage

noun
  • The state or condition of being blocked. 

  • Synonym of constipation (“impairment of feces passage”). 

  • The thing that is the cause of such a state, blocking a passage. 

  • Synonym of thrombosis, synonym of thromboembolism, or synonym of embolism. 

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 blockage and prohibition occurred in a corpus of books? (source: Google Ngram Viewer )