disparage vs hebetate

disparage

verb
  • 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. 

  • To ridicule, mock, discredit. 

hebetate

verb
  • To render obtuse; to dull; to blunt. 

adj
  • obtuse; dull 

  • Having a dull or blunt and soft point 

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