foul-mouthed vs insulting

foul-mouthed

adj
  • Tending to use obscene or offensive language. 

insulting

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

noun
  • The act of giving insult. 

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