derogative vs vulgar

derogative

adj
  • Of or pertaining to derogation; that derogates 

  • Disparaging; tending or intending to be belittling. 

noun
  • A derogatory word or word-form. 

vulgar

adj
  • Debased, uncouth, distasteful, obscene. 

  • Being a vulgar fraction. 

  • Common, usual; of the typical kind. 

  • Having to do with ordinary, common people. 

noun
  • The common people. 

  • The vernacular tongue or common language of a country. 

  • A common, ordinary person. 

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