approve vs disparage

approve

verb
  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To consider worthy (to); to be pleased (with); to accept. 

  • To regard as good; to commend; to be pleased with; to think well of. 

disparage

verb
  • To ridicule, mock, discredit. 

  • To dishonor by a comparison with what is inferior; to lower in rank or estimation by actions or words; to speak slightingly of; to depreciate; to undervalue. 

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