deliberation vs discretion

deliberation

noun
  • The act of deliberating, or of weighing and examining the reasons for and against a choice or measure; careful consideration; mature reflection. 

  • Careful discussion and examination of the reasons for and against a measure 

discretion

noun
  • The ability to make wise choices or decisions. 

  • The quality of being discreet. 

  • The freedom to make one's own judgements. 

  • Individual justice from experience in quality of perception: discrete. 

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