blissful vs rhapsodic

blissful

adj
  • Extremely happy; full of joy; experiencing, indicating, causing, or characterized by bliss. 

rhapsodic

adj
  • highly emotional; rapturous 

  • Of or relating to rhapsody; consisting of rhapsody 

  • confused, unconnected 

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