mindfulness vs soul-searching

mindfulness

noun
  • Inclination to be mindful or aware. 

  • Awareness. 

  • Paying attention on purpose, in the present moment, and non-judgementally. 

  • A form of secular meditation practice with roots in Buddhist meditation. 

soul-searching

noun
  • Probing introspection; a critical consideration of one's conscience; also, an instance of such consideration. 

adj
  • Involving probing introspection, or a critical consideration of one's conscience, especially motives and values. 

How often have the words mindfulness and soul-searching occurred in a corpus of books? (source: Google Ngram Viewer )