ardency vs worshipfulness

ardency

noun
  • Intensity of devotion. 

  • Intensity of light. 

  • Intensity of heat or burning. 

  • Intensity of feelings. 

worshipfulness

noun
  • The state or condition of being worshipful; reverence. 

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