contemplation vs deliberation

contemplation

noun
  • The act of contemplating; musing; being highly concentrated in thought 

  • The act of looking forward to a future event 

  • Holy meditation. 

  • The state of being considered or planned. 

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 

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