jet-black vs swarthy

jet-black

adj
  • Pitch-black; of the blackest black. 

noun
  • Coal-black; the blackest black. 

swarthy

adj
  • Dark-skinned; Black. 

  • Tawny, dusky, dark. 

  • Weathered, rough. 

  • A dark grey color. 

  • Evil, malicious. 

  • Darker-skinned than white, but lighter-skinned than tawny; tan. 

noun
  • A swarthy person. 

How often have the words jet-black and swarthy occurred in a corpus of books? (source: Google Ngram Viewer )