stinging vs trenchant

stinging

adj
  • Precise and hurtful. 

  • Having the capacity to sting. 

noun
  • The act by which someone receives a sting. 

trenchant

adj
  • Keen; biting; vigorously articulate and effective; severe. 

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