appertain vs inhere

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. 

inhere

verb
  • to be inherent; to be an essential or intrinsic part of; to be fixed or permanently incorporated with something 

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