disdain vs frown on

disdain

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

noun
  • A feeling of contempt or scorn. 

frown on

verb
  • To disapprove of (something or someone, often a behavior); to express disapproval of (something or someone). 

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