ardency vs storminess

ardency

noun
  • Intensity of heat or burning. 

  • Intensity of devotion. 

  • Intensity of light. 

  • Intensity of feelings. 

storminess

noun
  • The state or quality of being stormy 

  • The severity of a storm 

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