deliberation vs korero

deliberation

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

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

korero

noun
  • Among the Māori people, a meeting to discuss something. 

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