cast off vs peel away

cast off

verb
  • To discard or reject something. 

  • To let go (a cable or rope securing a vessel to a buoy, wharf, etc.) so that the vessel may make way. 

  • To finish the last row of knitted stitches and remove them securely from the needle. 

  • To estimate the amount of space required by the type used for the given copy. 

peel away

verb
  • To take away from something else. 

  • To burn out while accelerating and rapidly depart; to peel off, peel out. 

  • To become separate through peeling. 

  • To separate off from the main body; to move off to one side (as in troop movements on a parade ground or in an organized retreat, or columns in a procession). 

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