deprecate vs overrate

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. 

overrate

verb
  • To esteem too highly; to give greater praise than due. 

noun
  • An excessive estimate or rate. 

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