ardency vs ideolatry

ardency

noun
  • Intensity of devotion. 

  • Intensity of light. 

  • Intensity of heat or burning. 

  • Intensity of feelings. 

ideolatry

noun
  • The worship or devotion to the thoughts and intents derived from the human mind. 

  • The worship, attachment, or devotion to a concept originating and existing in the mind as a result of mental understanding, awareness, or activity. 

  • The worship of the human intellect. 

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