industry vs lethargy

industry

noun
  • The sector of the economy consisting of large-scale enterprises. 

  • The tendency to work persistently. Diligence. 

  • Businesses that produce goods as opposed to services. 

  • Businesses of the same type, considered as a whole. Trade. 

  • Automated production of material goods. 

  • A typological classification of stone tools, associated with a technocomplex. 

lethargy

noun
  • A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns. 

  • A state of extreme torpor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness. 

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