insulting vs sharp-tongued

insulting

adj
  • Containing insult, or having the intention of insulting. 

noun
  • The act of giving insult. 

sharp-tongued

adj
  • Having an acrid or bitter wit. Often said of someone skilled at or given to insulting or belittling others. 

How often have the words insulting and sharp-tongued occurred in a corpus of books? (source: Google Ngram Viewer )