appertain vs belong

appertain

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

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

belong

verb
  • To be part of, or the property of. 

  • To be a part of a group. 

  • To be the spouse or partner of. 

  • To be accepted in a group. 

  • To have its proper place. 

  • (followed by to) To be an element of (a set). The symbol ∈ means belongs to. 

prep
  • Of, belonging to. 

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