sinewy vs unhealthy

sinewy

adj
  • Tough; having strong sinews. 

  • Having or showing nervous strength. 

  • Possessing physical strength and weight; rugged and powerful. 

unhealthy

adj
  • characterized by, or conducive to poor health 

  • characterized by disturbed mental health 

  • tending to corrupt 

  • sick or ill 

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