apathetic vs go-ahead

apathetic

adj
  • Void of feeling; not susceptible of deep emotion. 

  • Of, or pertaining to apatheism. 

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. 

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