interrelate vs orientate

interrelate

verb
  • To form relationships between multiple things. 

orientate

verb
  • To position (something), to align relative to a given position. 

  • He came out of the station and took some time to orientate himself. 

  • To arrange in order; to dispose or place (a body) so as to show its relation to other bodies, or the relation of its parts among themselves. 

  • To determine one's position relative to the surroundings; to orient (oneself). 

  • To face a given direction. 

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