appertain vs combine

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. 

combine

verb
  • To bring (two or more things or activities) together; to unite. 

  • To have two or more things or properties that function together. 

  • In the game of casino, to play a card which will take two or more cards whose aggregate number of pips equals those of the card played. 

  • To come together; to unite. 

noun
  • Especially, a joint enterprise of whatever legal form for a purpose of business or in any way promoting the interests of the participants, sometimes with monopolistic or fraudulent intentions. 

  • An artwork falling between painting and sculpture, having objects embedded into a painted surface. 

  • An industrial conglomeration in a socialist country, particularly in the former Soviet bloc. 

  • A Test match in which applicants play in the hope of earning a position on a professional football team. 

  • A combine harvester 

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