unneighbourly vs unresponsive

unneighbourly

adj

  • Not neighbourly; antisocial. 

adv

  • In a way that is not neighbourly. 

unresponsive

adj

  • Indifferent or apathetic; emotionless. 

  • Not responsive; unreactive. 

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