help oneself vs put on

help oneself

verb
  • Used other than figuratively or idiomatically: see help. 

  • To serve oneself, especially to take food or other supplies, rather than wait to be served by another; used to indicate friendly permission or invitation. 

  • To exhibit self-control. 

  • To take something freely; to serve oneself without restraint. 

put on

verb
  • Used other than figuratively or idiomatically: see put, on. 

  • To assume, adopt or affect; to behave in a particular way as a pretense. 

  • To don (clothing, equipment, or the like). 

  • To initiate cooking or warming, especially on a stovetop. 

  • To perform for an audience. 

  • To organize a performance for an audience. 

  • To fool, kid, deceive. 

  • To bet on. 

  • To play (a recording). 

How often have the words help oneself and put on occurred in a corpus of books? (source: Google Ngram Viewer )