neighbour vs pal

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. 

pal

verb
  • Be friends with, hang around with. 

noun
  • An informal term of address, often used ironically in a hostile way. 

  • A friend, buddy, mate, cobber; someone to hang around with. 

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