comrade vs neighbour

comrade

verb
  • To associate with in a friendly way. 

noun
  • A companion in battle; fellow soldier. 

  • A fellow socialist, communist or other similarly politically aligned person. 

  • A non-hierarchical title, functionally similar to "Mr.", "Mrs.", "Miss", "Ms." etc, in a communist or socialist state. 

  • A mate, companion, or associate. 

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 comrade and neighbour occurred in a corpus of books? (source: Google Ngram Viewer )