suspicious vs unneighbourly

suspicious

adj

  • Distrustful or tending to suspect. 

  • Arousing suspicion. 

  • Expressing suspicion 

unneighbourly

adj

  • Not neighbourly; antisocial. 

adv

  • In a way that is not neighbourly. 

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