equal vs neighbour

equal

verb
  • To be equal to, to have the same value as; to correspond to. 

  • To make equivalent to; to cause to match. 

  • To have as its consequence. 

adj
  • Intended for voices of one kind only, either all male or all female; not mixed. 

  • Adequate; sufficiently capable or qualified. 

  • The same in all respects. 

  • Exactly identical, having the same value. 

noun
  • A person or thing of equal status to others. 

neighbour

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

  • To associate intimately with; to be close to. 

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