clouded vs sunless

clouded

adj
  • Made dim or blurry. 

  • Variegated with spots. 

  • Filled with clouds. 

  • Unclear; surrounded in mystery. 

sunless

adj
  • Without the sun or sunshine; shaded; shadowed. 

  • Dreary, cheerless. 

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