sweetness vs thoughtfulness

sweetness

noun
  • A pleasant disposition; kindness. 

  • Term of address for one's sweetheart. 

  • The condition of being sweet or sugary. 

  • The quality of giving pleasure to the mind or senses, pleasantness, agreeableness. 

thoughtfulness

noun
  • Thoughtful and considerate attention. 

  • Careful deliberation before action. 

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