commend vs compliment

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. 

compliment

verb
  • To pay a compliment (to someone); to express a favourable opinion (of someone). 

noun
  • An expression of praise, congratulation, or respect. 

  • Complimentary language; courtesy, flattery. 

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