acerbic vs cheeseparing

acerbic

adj

  • Sharp, harsh, biting. 

  • Tasting sour or bitter. 

cheeseparing

adj

  • Niggardly, stingy. 

noun

  • A small fragment or sliver. 

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