appertain vs deal with

appertain

verb
  • To belong to or be a part of, whether by right, nature, appointment, or custom; to relate to. 

  • To belong as a part, right, possession, attribute, etc. 

deal with

verb
  • To behave in a certain way towards. 

  • To be in charge of, act on, or dispose of. 

  • To consider, as an example. 

  • To handle verbally or in some form of artistic expression; to address or discuss as a subject. 

  • To come to terms with; to overcome any difficulties presented by. 

  • To take action with respect to (someone or something). 

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