disapprove vs disdain

disapprove

verb
  • To have or express an unfavorable opinion. 

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

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

  • To refuse to approve; reject. 

disdain

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

noun
  • A feeling of contempt or scorn. 

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