Cimmerian vs murky

Cimmerian

noun
  • Any of the mythical people supposed to inhabit a land of perpetual darkness. 

  • the prophetic priestess presiding over the Apollonian Oracle at Cimmerium in Italy. 

  • one of the Cimmerii, ancient equestrian nomads of Indo-European origin 

adj
  • Pertaining to the ancient Cimmerians. 

  • Characteristic of Cimmeria; especially describing particularly dense darkness etc. 

  • related to the prehistoric continent of Cimmeria 

name
  • the language of the Cimmerians, possibly belonging to the Iranian branch 

murky

adj
  • Hard to see through, as a fog or mist. 

  • Dark, dim, gloomy. 

  • Cloudy, indistinct, obscure. 

  • Dishonest, shady. 

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