compassionless vs unneighbourly

compassionless

adj

  • Without compassion; hardhearted. 

unneighbourly

adj

  • Not neighbourly; antisocial. 

adv

  • In a way that is not neighbourly. 

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