derogative vs detractive

derogative

adj
  • Disparaging; tending or intending to be belittling. 

  • Of or pertaining to derogation; that derogates 

noun
  • A derogatory word or word-form. 

detractive

adj
  • Tending to detract or draw. 

  • Tending to lower in estimation; depreciative. 

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