devil-may-care vs free and easy

devil-may-care

adj

  • Carefree, reckless, irresponsible. 

free and easy

adj

  • Casual, informal, relaxed, unrestrained. 

noun

  • A tavern offering informal entertainment from amateur and professional performers. 

How often have the words devil-may-care and free and easy occurred in a corpus of books? (source: Google Ngram Viewer )