biting vs caustic

biting

adj
  • Tending to bite. 

  • Causing a stinging sensation. 

  • Cutting or incisive. 

noun
  • A bite-sized snack. 

  • An instance of something being bitten. 

caustic

adj
  • Sharp, bitter, cutting, biting, and sarcastic in a scathing way. 

  • Capable of burning, corroding or destroying organic tissue. 

noun
  • The envelope of reflected or refracted rays for a given curve. 

  • Caustic soda. 

  • The envelope of reflected or refracted rays of light for a given surface or object. 

  • Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic. 

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