deprecate vs persuade

deprecate

verb
  • To belittle or express disapproval of. 

  • To declare something obsolescent; to recommend against a function, technique, command, etc. that still works but has been replaced. 

persuade

verb
  • To successfully convince (someone) to agree to, accept, or do something, usually through reasoning and verbal influence. 

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