assessing vs deliberation

assessing

noun
  • Action of the verb to assess; assessment. 

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 assessing and deliberation occurred in a corpus of books? (source: Google Ngram Viewer )