healthy vs sound as a barrel

healthy

adj
  • Enjoying good health; well; free from disease or disorder. 

  • Conducive to health. 

  • Evincing health. 

  • Significant, hefty; beneficial. 

sound as a barrel

adj
  • healthy, enjoying good health 

How often have the words healthy and sound as a barrel occurred in a corpus of books? (source: Google Ngram Viewer )