craziness vs thoughtlessness

craziness

noun
  • The result or product of being crazy. 

  • The state of being crazy; madness; derangement 

thoughtlessness

noun
  • heedless disregard for the consequences of one's actions 

  • disregard for other's feelings 

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