cheeseparing vs viperish

cheeseparing

adj
  • Niggardly, stingy. 

noun
  • A small fragment or sliver. 

viperish

adj
  • spiteful; treacherous 

  • In the manner of a viper. 

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