importance vs mana

importance

noun
  • Something of importance. 

  • The quality or condition of being important or worthy of note. 

  • personal status or standing. 

  • significance or prominence. 

mana

noun
  • Magical power. 

  • Power, prestige; specifically, a form of supernatural energy in Polynesian religion that inheres in things or people. 

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