enigmatic vs umbratile

enigmatic

adj

  • Mysterious. 

  • Defying description. 

  • Pertaining to an enigma. 

  • Enigmatical. 

umbratile

adj

  • Shady, shadowy. 

noun

  • Someone who spends their time in shade or darkness. 

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