acerbic vs biting

acerbic

adj

  • Sharp, harsh, biting. 

  • Tasting sour or bitter. 

biting

adj

  • Tending to bite. 

  • Causing a stinging sensation. 

  • Cutting or incisive. 

noun

  • A bite-sized snack. 

  • An instance of something being bitten. 

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