ebony vs swarthy

ebony

adj
  • Dark-skinned; black; especially in reference to African-Americans. 

  • Made of ebony wood. 

  • A deep, dark black colour. 

noun
  • A black key on a piano or other keyboard instrument. 

  • A tree that yields such wood. 

  • A deep, dark black colour. 

  • A hard, dense, deep black wood from various subtropical and tropical trees, especially of the genus Diospyros. 

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 ebony and swarthy occurred in a corpus of books? (source: Google Ngram Viewer )