clouded vs lucent

clouded

adj
  • Made dim or blurry. 

  • Variegated with spots. 

  • Filled with clouds. 

  • Unclear; surrounded in mystery. 

lucent

adj
  • Translucent; clear, lucid. 

  • Emitting light; shining, luminous. 

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