go-ahead vs inactive

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. 

inactive

adj
  • Relatively inert. 

  • Showing no optical activity in polarized light. 

  • Retired from duty or service. 

  • Not engaging in physical activity. 

  • Not functioning or operating; broken down 

  • Not active, temporarily or permanently. 

noun
  • A person who does not take action. 

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