doff vs don

doff

verb
  • To get rid of, to throw off. 

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

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

  • To strip; to divest; to undress. 

don

noun
  • An employee of a university residence who lives among the student residents. 

  • A mafia boss. 

  • Any man, bloke, dude. 

  • A university professor, particularly one at Oxford or Cambridge. 

verb
  • To put on clothing; to dress (oneself) in an article of personal attire. 

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