brother vs neighbour

brother

noun
  • Someone who is a peer, whether male or female. 

  • A form of address to a man. 

  • A male fellow member of a religious community, church, trades union etc. 

  • Son of the same parents as another person. 

  • A male having at least one parent in common with another (see half-brother, stepbrother). 

  • Somebody, usually male, connected by a common cause, situation, or affection. 

  • A black male. 

  • Someone who is a kinsman or shares the same patriarch. 

intj
  • Expressing exasperation. 

verb
  • To treat as a brother. 

neighbour

noun
  • One who is near in sympathy or confidence. 

  • 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. 

  • A fellow human being. 

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

  • To associate intimately with; to be close to. 

  • To be adjacent to 

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