commend vs deprecate

commend

verb
  • To praise or acclaim. 

  • To recommend. 

  • To entrust or commit to the care of someone else. 

  • To mention by way of courtesy, implying remembrance and goodwill. 

  • To congratulate or reward. 

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. 

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