caring vs insouciance

caring

adj

  • Kind, sensitive, or empathetic. 

noun

  • The act of one who cares. 

insouciance

noun

  • Nonchalance. 

  • Carelessness, heedlessness, indifference, or casual unconcern. 

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