disdain vs diss

disdain

noun
  • A feeling of contempt or scorn. 

verb
  • To regard (someone or something) with strong contempt. 

diss

noun
  • An insult or put-down; an expression of disrespect. 

  • Dissertation. 

  • Ampelodesmos mauritanicus syn. Ampelodesmos tenax, a reedy grass used for cordage. 

verb
  • To put (someone) down, or show disrespect by the use of insulting language or dismissive behaviour. 

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