disapprove vs look down one's nose

disapprove

verb
  • To condemn; to consider wrong or inappropriate; used with of. 

  • To have or express an unfavorable opinion. 

  • She disapproves of rap music because of its sometimes aggressive lyrics. 

  • To refuse to approve; reject. 

look down one's nose

verb
  • To regard as inferior or distasteful; to hold in contempt. 

How often have the words disapprove and look down one's nose occurred in a corpus of books? (source: Google Ngram Viewer )