go-ahead vs gutsy

go-ahead

adj
  • Dashing; energetic. 

  • Progressive; exerting leadership. 

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

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

gutsy

adj
  • Marked by courage and determination in the face of difficulties or danger; having guts. 

  • Not showing due respect. 

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