insulting vs unpalatable

insulting

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

noun
  • The act of giving insult. 

unpalatable

adj
  • Unpleasant or disagreeable. 

  • Unpleasant to the taste. 

noun
  • Anything distasteful. 

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