darkling vs shrouded

darkling

adj
  • Obscure; taking place unseen, as if in the dark. 

  • Dark; growing dark; darkening. 

noun
  • A creature that lives in the dark. 

  • Darkness 

adv
  • In the dark; in obscurity. 

shrouded

adj
  • Concealed or hidden from sight, as if by a shroud. 

  • Wearing, or provided with a shroud. 

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