insulting vs polemic

insulting

noun
  • The act of giving insult. 

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

polemic

noun
  • A strong verbal or written attack on someone or something. 

  • A person who writes in support of one opinion, doctrine, or system, in opposition to another; one skilled in polemics; a controversialist; a disputant. 

  • An argument or controversy. 

adj
  • Having the characteristics of a polemic. 

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