mindful vs thoughtful

mindful

adj
  • Being aware (of something); attentive, heedful. 

noun
  • As much as can be held in one's mind at a time. 

thoughtful

adj
  • Demonstrating kindness or consideration for others. 

  • Demonstrating thought or careful consideration. 

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