bootlip vs swarthy

bootlip

noun
  • A black person. 

  • A large lip, especially of a black person. 

  • The lip at the top end of the shaft of a boot. 

swarthy

noun
  • A swarthy person. 

adj
  • Tawny, dusky, dark. 

  • Dark-skinned; Black. 

  • Weathered, rough. 

  • A dark grey color. 

  • Evil, malicious. 

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

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