depreciative vs derogative

depreciative

noun
  • A statement with a tendency to deprecate. 

adj
  • Tending to depreciate (in value etc.) 

derogative

noun
  • A derogatory word or word-form. 

adj
  • Disparaging; tending or intending to be belittling. 

  • Of or pertaining to derogation; that derogates 

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