doff vs peel off

doff

verb
  • To remove or take off (something such as clothing). 

  • To get rid of, to throw off. 

  • To remove or tip a hat, as in greeting, salutation or as a mark of respect. 

  • To strip; to divest; to undress. 

peel off

verb
  • To remove (an outer layer or covering, such as clothing). 

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

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