cussed vs unneighbourly

cussed

adj

  • Ill-tempered, nasty, obstinate. 

adv

  • Very, cussedly, accursedly. 

unneighbourly

adj

  • Not neighbourly; antisocial. 

adv

  • In a way that is not neighbourly. 

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