derogative vs disrespectful

derogative

adj
  • Disparaging; tending or intending to be belittling. 

  • Of or pertaining to derogation; that derogates 

noun
  • A derogatory word or word-form. 

disrespectful

adj
  • irrespective, heedless, regardless 

  • Lacking respect. 

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