opprobriate vs vilify

opprobriate

verb
  • To express opprobrium for or to view with opprobrium; to scorn. 

adj
  • Expressing opprobrium; disparaging. 

vilify

verb
  • To say defamatory things about someone or something; to speak ill of. 

  • To belittle through speech; to put down. 

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