lethargic vs rhapsodic

lethargic

adj
  • indifferent, apathetic 

  • sluggish, slow 

rhapsodic

adj
  • highly emotional; rapturous 

  • Of or relating to rhapsody; consisting of rhapsody 

  • confused, unconnected 

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