nonpartisan vs unneighbourly

nonpartisan

adj
  • Not partisan; impartial and unbiased 

noun
  • A person who has not selected or declared a side or party. 

  • One who is not a partisan. 

unneighbourly

adj
  • Not neighbourly; antisocial. 

adv
  • In a way that is not neighbourly. 

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