insulting vs mannerless

insulting

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

noun
  • The act of giving insult. 

mannerless

adj
  • lacking good manners; impolite; ill-bred 

  • clumsy; graceless 

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