enormity vs harmfulness

enormity

noun
  • Deviation from moral normality; extreme wickedness, nefariousness, or cruelty. 

  • A breach of law or morality; a transgression, an act of evil or wickedness. 

  • Great size; enormousness, hugeness, immenseness. 

harmfulness

noun
  • The characteristic of being harmful. 

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