go-ahead vs limitation

go-ahead

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

adj
  • Progressive; exerting leadership. 

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

  • Dashing; energetic. 

limitation

noun
  • An imperfection or shortcoming that limits something's use or value. 

  • The act of limiting or the state of being limited. 

  • A time period after which some legal action may no longer be brought. 

  • A restriction; a boundary, real or metaphorical, caused by some thing or some circumstance. 

How often have the words go-ahead and limitation occurred in a corpus of books? (source: Google Ngram Viewer )