footloose vs off the hook

footloose

adj
  • Tending to travel or do as one pleases; readily without many commitments or responsibility. 

  • Of a sail: not properly secured at the bottom. 

off the hook

adj
  • Relieved of a duty, burden, responsibility, or pressure. 

  • Of a telephone, having an open connection; not hung up. 

  • Performing extraordinarily well. 

  • Fresh, cool, trendy, excellent, incredible. 

  • Of a telephone, ringing frequently. 

How often have the words footloose and off the hook occurred in a corpus of books? (source: Google Ngram Viewer )