rayless vs sunless

rayless

adj

  • Lightless, gloomy. 

  • Lacking florets. 

  • Lacking rays. 

sunless

adj

  • Without the sun or sunshine; shaded; shadowed. 

  • Dreary, cheerless. 

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