go-ahead vs prohibition

go-ahead

adj
  • Progressive; exerting leadership. 

  • Being a score which gives the scoring team or player the lead in the game. 

  • Dashing; energetic. 

noun
  • Approval, agreement, or instruction to begin or proceed. 

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