affiliate vs neighbour

affiliate

verb
  • to bring or receive into close connection; to ally. 

  • To adopt; to receive into a family as one's offspring 

  • To connect in the way of descent; to trace origin to. 

  • To fix the paternity of 

  • To attach (to) or unite (with); to receive into a society as a member, and initiate into its mysteries, plans, etc. 

noun
  • Someone or something, especially, a television station, that is associated with a larger, related organization, such as a television network; a member of a group of associated things. 

neighbour

verb
  • To associate intimately with; to be close to. 

  • To be similar to, to be almost the same as. 

  • To be adjacent to 

noun
  • A person living on adjacent or nearby land; a person situated adjacently or nearby; anything (of the same type of thing as the subject) in an adjacent or nearby position. 

  • One who is near in sympathy or confidence. 

  • A fellow human being. 

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