ear to the ground vs responsive

ear to the ground

noun
  • The practice or characteristic of carefully gathering information; a state or mindset of attentiveness. 

  • Pursuing the practice or having the characteristic of carefully gathering information; well-informed. 

responsive

adj
  • using antiphons; antiphonal 

  • answering, replying or responding 

  • susceptible to the feelings of others 

  • automatically resizing and repositioning elements to fit the available space 

  • able to receive and respond to external stimuli 

How often have the words ear to the ground and responsive occurred in a corpus of books? (source: Google Ngram Viewer )