contemptuously vs frown on

contemptuously

adv
  • In a disrespectful or discourteous manner; condescendingly. 

frown on

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

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