phthisic vs unhealthy

phthisic

adj
  • Of or relating to phthisis or tuberculosis; tubercular; consumptive. 

noun
  • A wasting illness of the lungs, such as asthma or tuberculosis; consumption; phthisis. 

  • Any wasting disease. 

  • A person suffering from phthisis. 

  • Any wasting or shrinking of another body part such as, for example, the eye (phthisis bulbi). 

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 phthisic and unhealthy occurred in a corpus of books? (source: Google Ngram Viewer )