invest vs neighbour

invest

verb
  • To be involved in; to form strong attachments to. 

  • To surround, accompany, or attend. 

  • To spend money, time, or energy on something, especially for some benefit or purpose; used with in. 

  • To commit money or capital in the hope of financial gain. 

  • To ceremonially install someone in some office. 

  • To lay siege to. 

  • To prepare for lost wax casting by creating an investment mold (a mixture of a silica sand and plaster). 

  • To make investments. 

  • To formally give (someone) some power or authority. 

  • To envelop, wrap, cover. 

  • To formally give (power or authority). 

noun
  • An unnamed tropical weather pattern "to investigate" for development into a significant (named) system. 

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