cussed vs pestiferous

cussed

adj

  • Ill-tempered, nasty, obstinate. 

adv

  • Very, cussedly, accursedly. 

pestiferous

adj

  • annoying, vexatious 

  • containing organisms that cause contagious diseases 

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